diff --git a/app/src/main/java/com/texthip/thip/data/model/feed/request/UpdateFeedRequest.kt b/app/src/main/java/com/texthip/thip/data/model/feed/request/UpdateFeedRequest.kt
new file mode 100644
index 00000000..ac9dc2da
--- /dev/null
+++ b/app/src/main/java/com/texthip/thip/data/model/feed/request/UpdateFeedRequest.kt
@@ -0,0 +1,12 @@
+package com.texthip.thip.data.model.feed.request
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class UpdateFeedRequest(
+    @SerialName("contentBody") val contentBody: String? = null,
+    @SerialName("isPublic") val isPublic: Boolean? = null,
+    @SerialName("tagList") val tagList: List<String>? = null,
+    @SerialName("remainImageUrls") val remainImageUrls: List<String>? = null
+)
\ No newline at end of file
diff --git a/app/src/main/java/com/texthip/thip/data/model/feed/response/FeedDetailResponse.kt b/app/src/main/java/com/texthip/thip/data/model/feed/response/FeedDetailResponse.kt
index 9b03febd..360dd988 100644
--- a/app/src/main/java/com/texthip/thip/data/model/feed/response/FeedDetailResponse.kt
+++ b/app/src/main/java/com/texthip/thip/data/model/feed/response/FeedDetailResponse.kt
@@ -15,6 +15,7 @@ data class FeedDetailResponse(
     @SerialName("bookTitle") val bookTitle: String,
     @SerialName("isbn") val isbn: String,
     @SerialName("bookAuthor") val bookAuthor: String,
+    @SerialName("bookImageUrl") val bookImageUrl: String? = null,  // 책 이미지 URL 추가
     @SerialName("contentBody") val contentBody: String,
     @SerialName("contentUrls") val contentUrls: List<String>,
     @SerialName("likeCount") val likeCount: Int,
@@ -22,5 +23,6 @@ data class FeedDetailResponse(
     @SerialName("isSaved") val isSaved: Boolean,
     @SerialName("isLiked") val isLiked: Boolean,
     @SerialName("isWriter") val isWriter: Boolean,
+    @SerialName("isPublic") val isPublic: Boolean? = null,  // 공개/비공개 설정 추가
     @SerialName("tagList") val tagList: List<String>
 )
\ No newline at end of file
diff --git a/app/src/main/java/com/texthip/thip/data/model/feed/response/FeedMineInfoResponse.kt b/app/src/main/java/com/texthip/thip/data/model/feed/response/FeedMineInfoResponse.kt
new file mode 100644
index 00000000..9a6777f4
--- /dev/null
+++ b/app/src/main/java/com/texthip/thip/data/model/feed/response/FeedMineInfoResponse.kt
@@ -0,0 +1,17 @@
+package com.texthip.thip.data.model.feed.response
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class FeedMineInfoResponse(
+    @SerialName("creatorId") val creatorId: Int,
+    @SerialName("profileImageUrl") val profileImageUrl: String?,
+    @SerialName("nickname") val nickname: String,
+    @SerialName("aliasName") val aliasName: String,
+    @SerialName("aliasColor") val aliasColor: String,
+    @SerialName("followerCount") val followerCount: Int,
+    @SerialName("totalFeedCount") val totalFeedCount: Int,
+    @SerialName("isFollowing") val isFollowing: Boolean,
+    @SerialName("latestFollowerProfileImageUrls") val latestFollowerProfileImageUrls: List<String>
+)
\ No newline at end of file
diff --git a/app/src/main/java/com/texthip/thip/data/model/feed/response/RelatedBooksResponse.kt b/app/src/main/java/com/texthip/thip/data/model/feed/response/RelatedBooksResponse.kt
new file mode 100644
index 00000000..d725a953
--- /dev/null
+++ b/app/src/main/java/com/texthip/thip/data/model/feed/response/RelatedBooksResponse.kt
@@ -0,0 +1,32 @@
+package com.texthip.thip.data.model.feed.response
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class RelatedBooksResponse(
+    @SerialName("feeds") val feeds: List<RelatedFeedItem>,
+    @SerialName("nextCursor") val nextCursor: String?,
+    @SerialName("isLast") val isLast: Boolean
+)
+
+@Serializable
+data class RelatedFeedItem(
+    @SerialName("feedId") val feedId: Int,
+    @SerialName("creatorId") val creatorId: Int,
+    @SerialName("isWriter") val isWriter: Boolean,
+    @SerialName("creatorNickname") val creatorNickname: String,
+    @SerialName("creatorProfileImageUrl") val creatorProfileImageUrl: String?,
+    @SerialName("aliasName") val aliasName: String,
+    @SerialName("aliasColor") val aliasColor: String,
+    @SerialName("postDate") val postDate: String,
+    @SerialName("isbn") val isbn: String,
+    @SerialName("bookTitle") val bookTitle: String,
+    @SerialName("bookAuthor") val bookAuthor: String,
+    @SerialName("contentBody") val contentBody: String,
+    @SerialName("contentUrls") val contentUrls: List<String>,
+    @SerialName("likeCount") val likeCount: Int,
+    @SerialName("commentCount") val commentCount: Int,
+    @SerialName("isSaved") val isSaved: Boolean,
+    @SerialName("isLiked") val isLiked: Boolean
+)
\ No newline at end of file
diff --git a/app/src/main/java/com/texthip/thip/data/model/users/response/UsersMyFollowingsRecentFeedsResponse.kt b/app/src/main/java/com/texthip/thip/data/model/users/response/UsersMyFollowingsRecentFeedsResponse.kt
index e275b5d7..7a04925f 100644
--- a/app/src/main/java/com/texthip/thip/data/model/users/response/UsersMyFollowingsRecentFeedsResponse.kt
+++ b/app/src/main/java/com/texthip/thip/data/model/users/response/UsersMyFollowingsRecentFeedsResponse.kt
@@ -4,7 +4,7 @@ import kotlinx.serialization.Serializable
 
 @Serializable
 data class UsersMyFollowingsRecentFeedsResponse(
-    val recentWriters: List<RecentWriterList>
+    val myFollowingUsers: List<RecentWriterList>
 )
 
 @Serializable
diff --git a/app/src/main/java/com/texthip/thip/data/repository/FeedRepository.kt b/app/src/main/java/com/texthip/thip/data/repository/FeedRepository.kt
index e1ee396c..fc112ef7 100644
--- a/app/src/main/java/com/texthip/thip/data/repository/FeedRepository.kt
+++ b/app/src/main/java/com/texthip/thip/data/repository/FeedRepository.kt
@@ -4,9 +4,12 @@ import android.content.Context
 import android.net.Uri
 import com.texthip.thip.data.model.base.handleBaseResponse
 import com.texthip.thip.data.model.feed.request.CreateFeedRequest
+import com.texthip.thip.data.model.feed.request.UpdateFeedRequest
 import com.texthip.thip.data.model.feed.response.CreateFeedResponse
 import com.texthip.thip.data.model.feed.response.FeedDetailResponse
 import com.texthip.thip.data.model.feed.response.FeedWriteInfoResponse
+import com.texthip.thip.data.model.feed.response.FeedMineInfoResponse
+import com.texthip.thip.data.model.feed.response.RelatedBooksResponse
 import com.texthip.thip.data.model.feed.response.AllFeedResponse
 import com.texthip.thip.data.model.feed.response.MyFeedResponse
 import com.texthip.thip.data.service.FeedService
@@ -147,6 +150,24 @@ class FeedRepository @Inject constructor(
             .getOrThrow()
     }
 
+    /** 내 피드 정보 조회 */
+    suspend fun getMyFeedInfo(): Result<FeedMineInfoResponse?> = runCatching {
+        feedService.getMyFeedInfo()
+            .handleBaseResponse()
+            .getOrThrow()
+    }
+
+    /** 특정 책과 관련된 피드 목록 조회 */
+    suspend fun getRelatedBookFeeds(
+        isbn: String,
+        sort: String? = null,
+        cursor: String? = null
+    ): Result<RelatedBooksResponse?> = runCatching {
+        feedService.getRelatedBookFeeds(isbn, sort, cursor)
+            .handleBaseResponse()
+            .getOrThrow()
+    }
+
     /** 피드 상세 조회 */
     suspend fun getFeedDetail(feedId: Int): Result<FeedDetailResponse?> = runCatching {
         feedService.getFeedDetail(feedId)
@@ -154,6 +175,26 @@ class FeedRepository @Inject constructor(
             .getOrThrow()
     }
 
+    /** 피드 수정 */
+    suspend fun updateFeed(
+        feedId: Int,
+        contentBody: String? = null,
+        isPublic: Boolean? = null,
+        tagList: List<String>? = null,
+        remainImageUrls: List<String>? = null
+    ): Result<CreateFeedResponse?> = runCatching {
+        val request = UpdateFeedRequest(
+            contentBody = contentBody,
+            isPublic = isPublic,
+            tagList = tagList,
+            remainImageUrls = remainImageUrls
+        )
+
+        feedService.updateFeed(feedId, request)
+            .handleBaseResponse()
+            .getOrThrow()
+    }
+
     /** 임시 파일들을 정리하는 함수 */
     private fun cleanupTempFiles(tempFiles: List<File>) {
         tempFiles.forEach { file ->
diff --git a/app/src/main/java/com/texthip/thip/data/service/FeedService.kt b/app/src/main/java/com/texthip/thip/data/service/FeedService.kt
index bed7573b..26aa7fd7 100644
--- a/app/src/main/java/com/texthip/thip/data/service/FeedService.kt
+++ b/app/src/main/java/com/texthip/thip/data/service/FeedService.kt
@@ -6,12 +6,17 @@ import com.texthip.thip.data.model.feed.response.FeedDetailResponse
 import com.texthip.thip.data.model.feed.response.FeedUsersInfoResponse
 import com.texthip.thip.data.model.feed.response.FeedUsersResponse
 import com.texthip.thip.data.model.feed.response.FeedWriteInfoResponse
+import com.texthip.thip.data.model.feed.response.FeedMineInfoResponse
+import com.texthip.thip.data.model.feed.response.RelatedBooksResponse
 import com.texthip.thip.data.model.feed.response.AllFeedResponse
 import com.texthip.thip.data.model.feed.response.MyFeedResponse
+import com.texthip.thip.data.model.feed.request.UpdateFeedRequest
 import okhttp3.MultipartBody
 import okhttp3.RequestBody
+import retrofit2.http.Body
 import retrofit2.http.GET
 import retrofit2.http.Multipart
+import retrofit2.http.PATCH
 import retrofit2.http.POST
 import retrofit2.http.Part
 import retrofit2.http.Path
@@ -44,6 +49,18 @@ interface FeedService {
         @Query("cursor") cursor: String? = null
     ): BaseResponse<MyFeedResponse>
 
+    /** 내 피드 정보 조회 */
+    @GET("feeds/mine/info")
+    suspend fun getMyFeedInfo(): BaseResponse<FeedMineInfoResponse>
+
+    /** 특정 책과 관련된 피드 목록 조회 */
+    @GET("feeds/related-books/{isbn}")
+    suspend fun getRelatedBookFeeds(
+        @Path("isbn") isbn: String,
+        @Query("sort") sort: String? = null,
+        @Query("cursor") cursor: String? = null
+    ): BaseResponse<RelatedBooksResponse>
+
     /** 피드 상세 조회 */
     @GET("feeds/{feedId}")
     suspend fun getFeedDetail(
@@ -59,4 +76,11 @@ interface FeedService {
     suspend fun getFeedUsers(
         @Path("userId") userId: Long
     ): BaseResponse<FeedUsersResponse>
+
+    /** 피드 수정 */
+    @PATCH("feeds/{feedId}")
+    suspend fun updateFeed(
+        @Path("feedId") feedId: Int,
+        @Body request: UpdateFeedRequest
+    ): BaseResponse<CreateFeedResponse>
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/texthip/thip/ui/common/topappbar/DefaultTopAppBar.kt b/app/src/main/java/com/texthip/thip/ui/common/topappbar/DefaultTopAppBar.kt
index f5c60751..77f05f0c 100644
--- a/app/src/main/java/com/texthip/thip/ui/common/topappbar/DefaultTopAppBar.kt
+++ b/app/src/main/java/com/texthip/thip/ui/common/topappbar/DefaultTopAppBar.kt
@@ -1,11 +1,11 @@
 package com.texthip.thip.ui.common.topappbar
 
-import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
@@ -33,14 +33,16 @@ fun DefaultTopAppBar(
             .fillMaxWidth()
             .padding(horizontal = 20.dp, vertical = 16.dp)
     ) {
-        Icon(
-            painter = painterResource(R.drawable.ic_arrow_back),
-            contentDescription = "Back Button",
-            tint = Color.Unspecified,
-            modifier = Modifier
-                .align(Alignment.CenterStart)
-                .clickable { onLeftClick() }
-        )
+        IconButton(
+            onClick = onLeftClick,
+            modifier = Modifier.align(Alignment.CenterStart)
+        ) {
+            Icon(
+                painter = painterResource(R.drawable.ic_arrow_back),
+                contentDescription = "Back Button",
+                tint = Color.Unspecified
+            )
+        }
 
         if (isTitleVisible) {
             Text(
@@ -52,14 +54,16 @@ fun DefaultTopAppBar(
         }
 
         if (isRightIconVisible) {
-            Icon(
-                painter = painterResource(R.drawable.ic_more),
-                contentDescription = "More Options",
-                tint = Color.Unspecified,
-                modifier = Modifier
-                    .align(Alignment.CenterEnd)
-                    .clickable { onRightClick() }
-            )
+            IconButton(
+                onClick = onRightClick,
+                modifier = Modifier.align(Alignment.CenterEnd)
+            ) {
+                Icon(
+                    painter = painterResource(R.drawable.ic_more),
+                    contentDescription = "More Options",
+                    tint = Color.Unspecified
+                )
+            }
         }
     }
 }
diff --git a/app/src/main/java/com/texthip/thip/ui/common/topappbar/GradationTopAppBar.kt b/app/src/main/java/com/texthip/thip/ui/common/topappbar/GradationTopAppBar.kt
index 5d766e07..1fbec027 100644
--- a/app/src/main/java/com/texthip/thip/ui/common/topappbar/GradationTopAppBar.kt
+++ b/app/src/main/java/com/texthip/thip/ui/common/topappbar/GradationTopAppBar.kt
@@ -1,13 +1,13 @@
 package com.texthip.thip.ui.common.topappbar
 
 import androidx.compose.foundation.background
-import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -43,14 +43,16 @@ fun GradationTopAppBar(
             .height(56.dp),
         contentAlignment = Alignment.Center,
     ) {
-        Icon(
-            painter = painterResource(R.drawable.ic_arrow_back),
-            contentDescription = "Back Button",
-            tint = Color.Unspecified,
-            modifier = Modifier
-                .align(Alignment.CenterStart)
-                .clickable { onLeftClick() }
-        )
+        IconButton(
+            onClick = onLeftClick,
+            modifier = Modifier.align(Alignment.CenterStart)
+        ) {
+            Icon(
+                painter = painterResource(R.drawable.ic_arrow_back),
+                contentDescription = "Back Button",
+                tint = Color.Unspecified
+            )
+        }
 
         if (isImageVisible) {
             CountingBar(
@@ -60,14 +62,16 @@ fun GradationTopAppBar(
             )
         }
 
-        Icon(
-            painter = painterResource(R.drawable.ic_more),
-            contentDescription = "More Options",
-            tint = Color.Unspecified,
-            modifier = Modifier
-                .align(Alignment.CenterEnd)
-                .clickable { onRightClick() }
-        )
+        IconButton(
+            onClick = onRightClick,
+            modifier = Modifier.align(Alignment.CenterEnd)
+        ) {
+            Icon(
+                painter = painterResource(R.drawable.ic_more),
+                contentDescription = "More Options",
+                tint = Color.Unspecified
+            )
+        }
     }
 }
 
diff --git a/app/src/main/java/com/texthip/thip/ui/feed/component/MyFeedCard.kt b/app/src/main/java/com/texthip/thip/ui/feed/component/MyFeedCard.kt
index 297e75f3..a000e02a 100644
--- a/app/src/main/java/com/texthip/thip/ui/feed/component/MyFeedCard.kt
+++ b/app/src/main/java/com/texthip/thip/ui/feed/component/MyFeedCard.kt
@@ -31,7 +31,8 @@ fun MyFeedCard(
     modifier: Modifier = Modifier,
     feedItem: FeedItem,
     onLikeClick: () -> Unit = {},
-    onContentClick: () -> Unit = {}
+    onContentClick: () -> Unit = {},
+    onBookClick: () -> Unit = {}
 ) {
     val hasImages = feedItem.imageUrls.isNotEmpty()
     val maxLines = if (hasImages) 3 else 8
@@ -44,7 +45,7 @@ fun MyFeedCard(
         ActionBookButton(
             bookTitle = feedItem.bookTitle,
             bookAuthor = feedItem.authName,
-            onClick = {}
+            onClick = onBookClick
         )
 
         Column(
diff --git a/app/src/main/java/com/texthip/thip/ui/feed/screen/FeedCommentScreen.kt b/app/src/main/java/com/texthip/thip/ui/feed/screen/FeedCommentScreen.kt
index 7fef8619..aaa0a2a0 100644
--- a/app/src/main/java/com/texthip/thip/ui/feed/screen/FeedCommentScreen.kt
+++ b/app/src/main/java/com/texthip/thip/ui/feed/screen/FeedCommentScreen.kt
@@ -37,9 +37,11 @@ import androidx.compose.ui.draw.blur
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.input.pointer.pointerInput
 import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
+import androidx.compose.ui.zIndex
 import androidx.hilt.navigation.compose.hiltViewModel
 import coil.compose.AsyncImage
 import com.texthip.thip.R
@@ -49,6 +51,7 @@ import com.texthip.thip.ui.common.buttons.OptionChipButton
 import com.texthip.thip.ui.common.forms.CommentTextField
 import com.texthip.thip.ui.common.header.ProfileBar
 import com.texthip.thip.ui.common.modal.DialogPopup
+import com.texthip.thip.ui.common.modal.ToastWithDate
 import com.texthip.thip.ui.common.topappbar.DefaultTopAppBar
 import com.texthip.thip.ui.feed.component.ImageViewerModal
 import com.texthip.thip.ui.feed.viewmodel.FeedDetailViewModel
@@ -59,12 +62,14 @@ import com.texthip.thip.ui.theme.ThipTheme.colors
 import com.texthip.thip.ui.theme.ThipTheme.typography
 import com.texthip.thip.ui.group.note.mock.CommentItem as FeedCommentItem
 import com.texthip.thip.ui.group.note.mock.ReplyItem as FeedReplyItem
+import kotlinx.coroutines.delay
 
 @Composable
 fun FeedCommentScreen(
     modifier: Modifier = Modifier,
     feedId: Int,
     onNavigateBack: () -> Unit = {},
+    onNavigateToFeedEdit: (Int) -> Unit = {},
     currentUserId: Int = 1,
     currentUserName: String = "현재사용자",
     currentUserGenre: String = "문학",
@@ -76,6 +81,7 @@ fun FeedCommentScreen(
     viewModel: FeedDetailViewModel = hiltViewModel()
 ) {
     val uiState by viewModel.uiState.collectAsState()
+    val context = LocalContext.current
     
     LaunchedEffect(feedId) {
         viewModel.loadFeedDetail(feedId)
@@ -123,6 +129,7 @@ fun FeedCommentScreen(
     val CommentList = commentList ?: remember { mutableStateListOf<FeedCommentItem>() }
     var isBottomSheetVisible by remember { mutableStateOf(false) }
     var showDialog by remember { mutableStateOf(false) }
+    var showToast by remember { mutableStateOf(false) }
 
     val commentInput = remember { mutableStateOf("") }
     val replyTo = remember { mutableStateOf<String?>(null) }
@@ -136,7 +143,8 @@ fun FeedCommentScreen(
     var selectedComment by remember { mutableStateOf<FeedCommentItem?>(null) }
     var selectedReply by remember { mutableStateOf<FeedReplyItem?>(null) }
 
-    Box(
+    Box(modifier = Modifier.fillMaxSize()) {
+        Box(
         modifier = if (isBottomSheetVisible || showDialog) {
             Modifier
                 .fillMaxSize()
@@ -455,15 +463,31 @@ fun FeedCommentScreen(
             replyTo = replyTo.value,
             onCancelReply = { replyTo.value = null }
         )
+        }
+
+        // 신고 완료 토스트
+        if (showToast) {
+            ToastWithDate(
+                message = "게시글 신고를 완료했어요.",
+                modifier = Modifier
+                    .align(Alignment.TopCenter)
+                    .padding(horizontal = 20.dp, vertical = 16.dp)
+                    .zIndex(2f)
+            )
+        }
     }
 
     if (isBottomSheetVisible) {
-        MenuBottomSheet(
-            items = listOf(
+        val menuItems = if (feedDetail.isWriter) {
+            // 내 피드인 경우: 수정, 삭제
+            listOf(
                 MenuBottomSheetItem(
                     text = stringResource(R.string.edit_feed),
                     color = colors.White,
-                    onClick = {}
+                    onClick = {
+                        isBottomSheetVisible = false
+                        onNavigateToFeedEdit(feedDetail.feedId)
+                    }
                 ),
                 MenuBottomSheetItem(
                     text = stringResource(R.string.delete_feed),
@@ -473,7 +497,24 @@ fun FeedCommentScreen(
                         showDialog = true
                     }
                 )
-            ),
+            )
+        } else {
+            // 다른 사람 피드인 경우: 신고만
+            listOf(
+                MenuBottomSheetItem(
+                    text = stringResource(R.string.report),
+                    color = colors.Red,
+                    onClick = {
+                        isBottomSheetVisible = false
+                        // TODO: 피드 신고 API 호출
+                        showToast = true
+                    }
+                )
+            )
+        }
+        
+        MenuBottomSheet(
+            items = menuItems,
             onDismiss = { isBottomSheetVisible = false }
         )
     }
@@ -490,6 +531,7 @@ fun FeedCommentScreen(
                     onConfirm = {
                         showDialog = false
                         isBottomSheetVisible = false
+                        // TODO: 피드 삭제 API 호출
                     },
                     onCancel = {
                         showDialog = false
@@ -500,6 +542,13 @@ fun FeedCommentScreen(
         }
     }
 
+    LaunchedEffect(showToast) {
+        if (showToast) {
+            delay(3000)
+            showToast = false
+        }
+    }
+
     if (showImageViewer && images.isNotEmpty()) {
         ImageViewerModal(
             imageUrls = images.take(3),
@@ -520,6 +569,7 @@ private fun FeedCommentScreenWithMockComments() {
         }
         FeedCommentScreen(
             feedId = 1,
+            onNavigateToFeedEdit = {},
             currentUserId = 999,
             currentUserName = "나",
             currentUserGenre = "문학",
@@ -537,6 +587,7 @@ private fun FeedCommentScreenPrev() {
 
         FeedCommentScreen(
             feedId = 1,
+            onNavigateToFeedEdit = {},
             currentUserId = 999,
             currentUserName = "나",
             currentUserGenre = "문학",
diff --git a/app/src/main/java/com/texthip/thip/ui/feed/screen/FeedScreen.kt b/app/src/main/java/com/texthip/thip/ui/feed/screen/FeedScreen.kt
index 614b6a03..13e81322 100644
--- a/app/src/main/java/com/texthip/thip/ui/feed/screen/FeedScreen.kt
+++ b/app/src/main/java/com/texthip/thip/ui/feed/screen/FeedScreen.kt
@@ -67,9 +67,7 @@ fun FeedScreen(
     onNavigateToMySubscription: () -> Unit = {},
     onNavigateToFeedWrite: () -> Unit = {},
     onNavigateToFeedComment: (Int) -> Unit = {},
-    nickname: String = "",
-    userRole: String = "",
-    followerProfileImageUrls: List<String> = emptyList(),
+    onNavigateToBookDetail: (String) -> Unit = {},
     resultFeedId: Int? = null,
     onResultConsumed: () -> Unit = {},
     feedViewModel: FeedViewModel = hiltViewModel(),
@@ -129,8 +127,6 @@ fun FeedScreen(
         }
     }
 
-    val subscriptionUiState by mySubscriptionViewModel.uiState.collectAsState()
-
     // 초기 로딩 상태 처리
     if (feedUiState.isLoading && feedUiState.currentTabFeeds.isEmpty()) {
         Box(
@@ -215,10 +211,13 @@ fun FeedScreen(
                         // 내 피드
                         item {
                             Spacer(modifier = Modifier.height(32.dp))
+                            
+                            val myFeedInfo = feedUiState.myFeedInfo
                             AuthorHeader(
-                                profileImage = null,
-                                nickname = nickname,
-                                badgeText = userRole,
+                                profileImage = myFeedInfo?.profileImageUrl,
+                                nickname = myFeedInfo?.nickname ?: "",
+                                badgeText = myFeedInfo?.aliasName ?: "",
+                                badgeTextColor = myFeedInfo?.aliasColor?.let { hexToColor(it) } ?: colors.NeonGreen,
                                 buttonText = "",
                                 buttonWidth = 60.dp,
                                 showButton = false
@@ -226,13 +225,13 @@ fun FeedScreen(
                             Spacer(modifier = Modifier.height(16.dp))
                             FeedSubscribeBarlist(
                                 modifier = Modifier.padding(horizontal = 20.dp),
-                                followerProfileImageUrls = followerProfileImageUrls,
+                                followerProfileImageUrls = myFeedInfo?.latestFollowerProfileImageUrls ?: emptyList(),
                                 onClick = {
                                 }
                             )
                             Spacer(modifier = Modifier.height(40.dp))
                             Text(
-                                text = stringResource(R.string.whole_num, feedUiState.myFeeds.size),
+                                text = stringResource(R.string.whole_num, myFeedInfo?.totalFeedCount ?: 0),
                                 style = typography.menu_m500_s14_h24,
                                 color = colors.Grey,
                                 modifier = Modifier
@@ -289,6 +288,9 @@ fun FeedScreen(
                                     onLikeClick = {},
                                     onContentClick = {
                                         onNavigateToFeedComment(feedItem.id)
+                                    },
+                                    onBookClick = {
+                                        onNavigateToBookDetail(myFeed.isbn)
                                     }
                                 )
                                 Spacer(modifier = Modifier.height(40.dp))
@@ -346,6 +348,9 @@ fun FeedScreen(
                                 },
                                 onCommentClick = {
                                     onNavigateToFeedComment(feedItem.id)
+                                },
+                                onBookClick = {
+                                    onNavigateToBookDetail(allFeed.isbn)
                                 }
                             )
                             Spacer(modifier = Modifier.height(40.dp))
@@ -387,39 +392,10 @@ fun FeedScreen(
 @Composable
 private fun FeedScreenPreview() {
     ThipTheme {
-        val mockFeeds = List(5) {
-            FeedItem(
-                id = it + 1,
-                userProfileImage = "https://example.com/profile$it.jpg",
-                userName = "user.$it",
-                userRole = "문학 칭호",
-                bookTitle = "책 제목 ",
-                authName = "한강",
-                timeAgo = "1시간 전",
-                content = "내용내용내용 입니다. 내용내용내용 입니다.내용내용내용 입니다.내용내용내용 입니다.내용내용내용 입니다.내용내용내용 입니다.내용내용내용 입니다.내용내용내용 입니다.내용내용내용 입니다.내용내용내용 입니다.내용내용내용 입니다.내용내용내용 입니다.내용내용내용 입니다.내용내용내용 입니다.내용내용내용 입니다.내용내용내용 입니다.내용내용내용 입니다.내용내용내용 입니다.내용내용내용 입니다.내용내용내용 입니다.내용내용내용 입니다.내용내용내용 입니다.내용내용내용 입니다.내용내용내용 입니다.내용내용내용 입니다.",
-                likeCount = it,
-                commentCount = it,
-                isLiked = false,
-                isSaved = false,
-                isLocked = it % 2 == 0,
-                imageUrls = listOf("https://example.com/image$it.jpg")
-            )
-        }
-        val mockFollowerImages = listOf(
-            "https://example.com/image1.jpg",
-            "https://example.com/image2.jpg",
-            "https://example.com/image3.jpg",
-            "https://example.com/image4.jpg",
-            "https://example.com/image5.jpg"
+        FeedScreen(
+            onNavigateToFeedWrite = { },
+            onNavigateToBookDetail = { }
         )
-        ThipTheme {
-            FeedScreen(
-                nickname = "ThipUser01",
-                userRole = "문학 칭호",
-                followerProfileImageUrls = mockFollowerImages,
-                onNavigateToFeedWrite = { }
-            )
-        }
     }
 }
 
@@ -427,16 +403,9 @@ private fun FeedScreenPreview() {
 @Composable
 private fun FeedScreenWithoutDataPreview() {
     ThipTheme {
-        val mockFeeds: List<FeedItem> = emptyList()
-        val mockFollowerImages = emptyList<String>()
-
-        ThipTheme {
-            FeedScreen(
-                nickname = "ThipUser01",
-                userRole = "문학 칭호",
-                followerProfileImageUrls = mockFollowerImages,
-                onNavigateToFeedWrite = { }
-            )
-        }
+        FeedScreen(
+            onNavigateToFeedWrite = { },
+            onNavigateToBookDetail = { }
+        )
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/texthip/thip/ui/feed/screen/FeedWriteScreen.kt b/app/src/main/java/com/texthip/thip/ui/feed/screen/FeedWriteScreen.kt
index 9620029c..2f485e1b 100644
--- a/app/src/main/java/com/texthip/thip/ui/feed/screen/FeedWriteScreen.kt
+++ b/app/src/main/java/com/texthip/thip/ui/feed/screen/FeedWriteScreen.kt
@@ -70,8 +70,8 @@ fun FeedWriteScreen(
     FeedWriteContent(
         uiState = uiState,
         onNavigateBack = onNavigateBack,
-        onCreateFeed = { 
-            viewModel.createFeed(
+        onCreateFeed = {
+            viewModel.createOrUpdateFeed(
                 onSuccess = { feedId ->
                     onFeedCreated(feedId)
                 },
@@ -84,6 +84,7 @@ fun FeedWriteScreen(
         onUpdateFeedContent = viewModel::updateFeedContent,
         onAddImages = viewModel::addImages,
         onRemoveImage = viewModel::removeImage,
+        onRemoveExistingImage = viewModel::removeExistingImage,
         onTogglePrivate = viewModel::togglePrivate,
         onSelectCategory = viewModel::selectCategory,
         onToggleTag = viewModel::toggleTag,
@@ -104,6 +105,7 @@ fun FeedWriteContent(
     onUpdateFeedContent: (String) -> Unit = {},
     onAddImages: (List<Uri>) -> Unit = {},
     onRemoveImage: (Int) -> Unit = {},
+    onRemoveExistingImage: (Int) -> Unit = {},
     onTogglePrivate: (Boolean) -> Unit = {},
     onSelectCategory: (Int) -> Unit = {},
     onToggleTag: (String) -> Unit = {},
@@ -128,8 +130,13 @@ fun FeedWriteContent(
             horizontalAlignment = Alignment.CenterHorizontally
         ) {
             InputTopAppBar(
-                title = stringResource(R.string.new_feed),
-                rightButtonName = stringResource(R.string.registration),
+                title = stringResource(
+                    if (uiState.isEditMode) R.string.edit_feed_title
+                    else R.string.new_feed
+                ),
+                rightButtonName = stringResource(
+                    R.string.registration
+                ),
                 isRightButtonEnabled = uiState.isFormValid && !uiState.isLoading,
                 onLeftClick = onNavigateBack,
                 onRightClick = onCreateFeed
@@ -178,12 +185,15 @@ fun FeedWriteContent(
                     verticalAlignment = Alignment.CenterVertically,
                     modifier = Modifier.fillMaxWidth()
                 ) {
+                    // 이미지 추가 버튼 (수정 모드에서는 비활성화)
                     item {
                         Box(
                             modifier = Modifier
                                 .size(80.dp)
                                 .background(color = colors.DarkGrey02)
-                                .border(width = 1.dp, color = if (!uiState.canAddMoreImages) colors.DarkGrey else colors.Grey02,
+                                .border(
+                                    width = 1.dp,
+                                    color = if (!uiState.canAddMoreImages) colors.DarkGrey else colors.Grey02,
                                 )
                                 .let {
                                     if (uiState.canAddMoreImages) it.clickable {
@@ -200,6 +210,30 @@ fun FeedWriteContent(
                             )
                         }
                     }
+                    // 기존 이미지들 (수정 모드에서만 표시)
+                    items(uiState.existingImageUrls.size) { index ->
+                        Box(modifier = Modifier.size(80.dp)) {
+                            AsyncImage(
+                                model = uiState.existingImageUrls[index],
+                                contentDescription = null,
+                                modifier = Modifier.fillMaxSize(),
+                                contentScale = ContentScale.Crop
+                            )
+                            IconButton(
+                                onClick = { onRemoveExistingImage(index) },
+                                modifier = Modifier
+                                    .align(Alignment.TopEnd)
+                                    .size(24.dp)
+                            ) {
+                                Icon(
+                                    painter = painterResource(id = R.drawable.ic_x),
+                                    contentDescription = null,
+                                    tint = colors.White
+                                )
+                            }
+                        }
+                    }
+                    // 새로 추가한 이미지들
                     items(uiState.imageUris.size) { index ->
                         Box(modifier = Modifier.size(80.dp)) {
                             AsyncImage(
@@ -224,11 +258,17 @@ fun FeedWriteContent(
                     }
                 }
                 Row(
-                    modifier = Modifier.fillMaxWidth().padding(top = 12.dp),
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(top = 12.dp),
                     horizontalArrangement = Arrangement.End
                 ) {
                     Text(
-                        text = stringResource(id = R.string.photo_count, uiState.imageUris.size, 3),
+                        text = stringResource(
+                            id = R.string.photo_count,
+                            uiState.currentImageCount,
+                            3
+                        ),
                         style = typography.info_r400_s12,
                         color = colors.NeonGreen,
                     )
@@ -284,7 +324,11 @@ fun FeedWriteContent(
                     ) {
                         Text(
                             modifier = Modifier.padding(top = 12.dp),
-                            text = stringResource(id = R.string.tag_count, uiState.selectedTags.size, 5),
+                            text = stringResource(
+                                id = R.string.tag_count,
+                                uiState.selectedTags.size,
+                                5
+                            ),
                             style = typography.info_r400_s12,
                             color = colors.NeonGreen
                         )
diff --git a/app/src/main/java/com/texthip/thip/ui/feed/viewmodel/FeedViewModel.kt b/app/src/main/java/com/texthip/thip/ui/feed/viewmodel/FeedViewModel.kt
index 871c3809..40298576 100644
--- a/app/src/main/java/com/texthip/thip/ui/feed/viewmodel/FeedViewModel.kt
+++ b/app/src/main/java/com/texthip/thip/ui/feed/viewmodel/FeedViewModel.kt
@@ -3,6 +3,7 @@ package com.texthip.thip.ui.feed.viewmodel
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.texthip.thip.data.model.feed.response.AllFeedItem
+import com.texthip.thip.data.model.feed.response.FeedMineInfoResponse
 import com.texthip.thip.data.model.feed.response.MyFeedItem
 import com.texthip.thip.data.model.users.response.RecentWriterList
 import com.texthip.thip.data.repository.FeedRepository
@@ -18,6 +19,7 @@ data class FeedUiState(
     val allFeeds: List<AllFeedItem> = emptyList(),
     val myFeeds: List<MyFeedItem> = emptyList(),
     val recentWriters: List<RecentWriterList> = emptyList(),
+    val myFeedInfo: FeedMineInfoResponse? = null,
     val isLoading: Boolean = false,
     val isRefreshing: Boolean = false,
     val isLoadingMore: Boolean = false,
@@ -73,6 +75,7 @@ class FeedViewModel @Inject constructor(
 
             1 -> {
                 loadMyFeeds(isInitial = true)
+                fetchMyFeedInfo()
             }
         }
     }
@@ -266,7 +269,7 @@ class FeedViewModel @Inject constructor(
             updateState { it.copy(isLoading = true) }
             userRepository.getMyFollowingsRecentFeeds()
                 .onSuccess { data ->
-                    val writers = data?.recentWriters ?: emptyList()
+                    val writers = data?.myFollowingUsers ?: emptyList()
                     updateState {
                         it.copy(
                             isLoading = false,
@@ -275,11 +278,27 @@ class FeedViewModel @Inject constructor(
                     }
                 }
                 .onFailure { exception ->
-                    updateState { 
+                    updateState {
                         it.copy(
                             isLoading = false,
                             error = exception.message
-                        ) 
+                        )
+                    }
+                }
+        }
+    }
+
+    private fun fetchMyFeedInfo() {
+        viewModelScope.launch {
+            feedRepository.getMyFeedInfo()
+                .onSuccess { data ->
+                    updateState {
+                        it.copy(myFeedInfo = data)
+                    }
+                }
+                .onFailure { exception ->
+                    updateState {
+                        it.copy(error = exception.message)
                     }
                 }
         }
diff --git a/app/src/main/java/com/texthip/thip/ui/feed/viewmodel/FeedWriteUiState.kt b/app/src/main/java/com/texthip/thip/ui/feed/viewmodel/FeedWriteUiState.kt
index a598ba83..65780274 100644
--- a/app/src/main/java/com/texthip/thip/ui/feed/viewmodel/FeedWriteUiState.kt
+++ b/app/src/main/java/com/texthip/thip/ui/feed/viewmodel/FeedWriteUiState.kt
@@ -9,6 +9,7 @@ data class FeedWriteUiState(
     val showBookSearchSheet: Boolean = false,
     val feedContent: String = "",
     val imageUris: List<Uri> = emptyList(),
+    val existingImageUrls: List<String> = emptyList(), // 기존 피드 이미지 URL들
     val isPrivate: Boolean = false,
     val selectedCategoryIndex: Int = -1,
     val selectedTags: List<String> = emptyList(),
@@ -21,14 +22,20 @@ data class FeedWriteUiState(
     val isSearching: Boolean = false,
     val categories: List<FeedCategory> = emptyList(),
     val isBookPreselected: Boolean = false,
-    val isLoadingCategories: Boolean = false
+    val isLoadingCategories: Boolean = false,
+    val isEditMode: Boolean = false,
+    val editingFeedId: Int? = null
 ) {
     // 유효성 검사 로직
     val isContentValid: Boolean
         get() = feedContent.isNotBlank() && feedContent.length <= 2000
 
+    // 현재 모드에 따른 이미지 개수
+    val currentImageCount: Int
+        get() = if (isEditMode) existingImageUrls.size else imageUris.size
+
     val isImageCountValid: Boolean
-        get() = imageUris.size <= 3
+        get() = currentImageCount <= 3
 
     val isFormValid: Boolean
         get() = selectedBook != null &&
@@ -40,9 +47,9 @@ data class FeedWriteUiState(
     val canAddMoreTags: Boolean
         get() = selectedTags.size < 5
 
-    // 이미지 개수 제한 (최대 3개)
+    // 이미지 추가 가능 여부
     val canAddMoreImages: Boolean
-        get() = imageUris.size < 3
+        get() = !isEditMode && imageUris.size < 3
 
     // 현재 선택된 카테고리의 태그 목록
     val availableTags: List<String>
diff --git a/app/src/main/java/com/texthip/thip/ui/feed/viewmodel/FeedWriteViewModel.kt b/app/src/main/java/com/texthip/thip/ui/feed/viewmodel/FeedWriteViewModel.kt
index 94a05ae0..fa262004 100644
--- a/app/src/main/java/com/texthip/thip/ui/feed/viewmodel/FeedWriteViewModel.kt
+++ b/app/src/main/java/com/texthip/thip/ui/feed/viewmodel/FeedWriteViewModel.kt
@@ -61,6 +61,99 @@ class FeedWriteViewModel @Inject constructor(
         }
     }
 
+    fun loadFeedForEdit(feedId: Int) {
+        viewModelScope.launch {
+            updateState { it.copy(isLoading = true) }
+
+            feedRepository.getFeedDetail(feedId)
+                .onSuccess { feedDetail ->
+                    if (feedDetail != null) {
+                        // 선택된 카테고리 인덱스 찾기
+                        val categoryIndex = _uiState.value.categories.indexOfFirst { category ->
+                            feedDetail.tagList.any { tag ->
+                                category.tagList.contains(tag)
+                            }
+                        }.let { if (it == -1) 0 else it }
+
+                        val selectedBook = BookData(
+                            title = feedDetail.bookTitle,
+                            imageUrl = feedDetail.bookImageUrl ?: "", // 새로 추가된 필드 사용
+                            author = feedDetail.bookAuthor,
+                            isbn = feedDetail.isbn
+                        )
+
+                        updateState { currentState ->
+                            currentState.copy(
+                                selectedBook = selectedBook,
+                                isBookPreselected = true,
+                                feedContent = feedDetail.contentBody,
+                                isPrivate = !(feedDetail.isPublic ?: true), // 새로 추가된 필드 사용, 기본값은 공개
+                                selectedCategoryIndex = categoryIndex,
+                                selectedTags = feedDetail.tagList,
+                                existingImageUrls = feedDetail.contentUrls, // 기존 이미지 URL 저장
+                                isLoading = false,
+                                isEditMode = true,
+                                editingFeedId = feedId
+                            )
+                        }
+                    } else {
+                        updateState {
+                            it.copy(
+                                isLoading = false,
+                                errorMessage = "피드 정보를 불러올 수 없습니다."
+                            )
+                        }
+                    }
+                }
+                .onFailure { exception ->
+                    updateState {
+                        it.copy(
+                            isLoading = false,
+                            errorMessage = exception.message ?: "네트워크 오류가 발생했습니다."
+                        )
+                    }
+                }
+        }
+    }
+
+    fun setEditData(
+        feedId: Int,
+        isbn: String,
+        bookTitle: String,
+        bookAuthor: String,
+        bookImageUrl: String,
+        contentBody: String,
+        isPublic: Boolean,
+        tagList: List<String>
+    ) {
+        // 선택된 카테고리 인덱스 찾기
+        val categoryIndex = _uiState.value.categories.indexOfFirst { category ->
+            tagList.any { tag ->
+                category.tagList.contains(tag)
+            }
+        }.let { if (it == -1) 0 else it }
+
+        val selectedBook = BookData(
+            title = bookTitle,
+            imageUrl = bookImageUrl,
+            author = bookAuthor,
+            isbn = isbn
+        )
+
+        updateState { currentState ->
+            currentState.copy(
+                selectedBook = selectedBook,
+                isBookPreselected = true,
+                feedContent = contentBody,
+                isPrivate = !isPublic,
+                selectedCategoryIndex = categoryIndex,
+                selectedTags = tagList,
+                isEditMode = true,
+                editingFeedId = feedId
+            )
+        }
+    }
+
     private fun loadFeedWriteInfo() {
         viewModelScope.launch {
             updateState { it.copy(isLoadingCategories = true) }
@@ -197,6 +290,10 @@ class FeedWriteViewModel @Inject constructor(
 
     fun addImages(newImageUris: List<Uri>) {
         val currentState = _uiState.value
+
+        // 수정 모드에서는 새 이미지 추가 불가
+        if (currentState.isEditMode) return
+
         val availableSlots = 3 - currentState.imageUris.size
         val imagesToAdd = newImageUris.take(availableSlots)
 
@@ -213,6 +310,14 @@ class FeedWriteViewModel @Inject constructor(
         }
     }
 
+    fun removeExistingImage(index: Int) {
+        val currentExistingImages = _uiState.value.existingImageUrls.toMutableList()
+        if (index in currentExistingImages.indices) {
+            currentExistingImages.removeAt(index)
+            updateState { it.copy(existingImageUrls = currentExistingImages) }
+        }
+    }
+
     fun togglePrivate(isPrivate: Boolean) {
         updateState { it.copy(isPrivate = isPrivate) }
     }
@@ -247,6 +352,16 @@ class FeedWriteViewModel @Inject constructor(
         }
     }
 
+    fun createOrUpdateFeed(onSuccess: (Int) -> Unit, onError: (String) -> Unit) {
+        val currentState = _uiState.value
+
+        if (currentState.isEditMode && currentState.editingFeedId != null) {
+            updateFeed(currentState.editingFeedId, onSuccess, onError)
+        } else {
+            createFeed(onSuccess, onError)
+        }
+    }
+
     fun createFeed(onSuccess: (Int) -> Unit, onError: (String) -> Unit) {
         val currentState = _uiState.value
 
@@ -300,6 +415,49 @@ class FeedWriteViewModel @Inject constructor(
         }
     }
 
+    private fun updateFeed(feedId: Int, onSuccess: (Int) -> Unit, onError: (String) -> Unit) {
+        val currentState = _uiState.value
+
+        if (!currentState.isFormValid) {
+            onError(stringResourceProvider.getString(R.string.error_form_validation))
+            return
+        }
+
+        viewModelScope.launch {
+            try {
+                updateState { it.copy(isLoading = true, errorMessage = null) }
+
+                val result = feedRepository.updateFeed(
+                    feedId = feedId,
+                    contentBody = currentState.feedContent.trim(),
+                    isPublic = !currentState.isPrivate,
+                    tagList = currentState.selectedTags,
+                    remainImageUrls = currentState.existingImageUrls
+                )
+
+                result.onSuccess { response ->
+                    val updatedFeedId = response?.feedId ?: feedId
+                    onSuccess(updatedFeedId)
+                }.onFailure { exception ->
+                    onError(
+                        exception.message
+                            ?: stringResourceProvider.getString(R.string.error_network_error)
+                    )
+                }
+
+            } catch (e: Exception) {
+                onError(
+                    stringResourceProvider.getString(
+                        R.string.error_network_error,
+                        e.message ?: ""
+                    )
+                )
+            } finally {
+                updateState { it.copy(isLoading = false) }
+            }
+        }
+    }
+
     fun clearError() {
         updateState { it.copy(errorMessage = null) }
     }
diff --git a/app/src/main/java/com/texthip/thip/ui/mypage/component/SavedFeedCard.kt b/app/src/main/java/com/texthip/thip/ui/mypage/component/SavedFeedCard.kt
index b9032072..d35d3103 100644
--- a/app/src/main/java/com/texthip/thip/ui/mypage/component/SavedFeedCard.kt
+++ b/app/src/main/java/com/texthip/thip/ui/mypage/component/SavedFeedCard.kt
@@ -36,7 +36,8 @@ fun SavedFeedCard(
     onBookmarkClick: () -> Unit = {},
     onLikeClick: () -> Unit = {},
     onContentClick: () -> Unit = {},
-    onCommentClick: () -> Unit = {}
+    onCommentClick: () -> Unit = {},
+    onBookClick: () -> Unit = {}
 ) {
     val hasImages = feedItem.imageUrls.isNotEmpty()
     val maxLines = if (hasImages) 3 else 8
@@ -62,7 +63,7 @@ fun SavedFeedCard(
             ActionBookButton(
                 bookTitle = feedItem.bookTitle,
                 bookAuthor = feedItem.authName,
-                onClick = {}
+                onClick = onBookClick
             )
         }
 
diff --git a/app/src/main/java/com/texthip/thip/ui/navigator/navigations/FeedNavigation.kt b/app/src/main/java/com/texthip/thip/ui/navigator/navigations/FeedNavigation.kt
index 16523728..d9013c37 100644
--- a/app/src/main/java/com/texthip/thip/ui/navigator/navigations/FeedNavigation.kt
+++ b/app/src/main/java/com/texthip/thip/ui/navigator/navigations/FeedNavigation.kt
@@ -15,6 +15,7 @@ import com.texthip.thip.ui.feed.screen.FeedOthersScreen
 import com.texthip.thip.ui.feed.viewmodel.FeedWriteViewModel
 import com.texthip.thip.ui.navigator.extensions.navigateToFeedWrite
 import com.texthip.thip.ui.navigator.extensions.navigateToMySubscription
+import com.texthip.thip.ui.navigator.extensions.navigateToBookDetail
 import com.texthip.thip.ui.navigator.routes.FeedRoutes
 import com.texthip.thip.ui.navigator.routes.MainTabRoutes
 
@@ -24,9 +25,6 @@ fun NavGraphBuilder.feedNavigation(navController: NavHostController, navigateBac
         val resultFeedId = backStackEntry.savedStateHandle.get<Int>("feedId")
 
         FeedScreen(
-            nickname = "ThipUser01",
-            userRole = "문학가",
-            followerProfileImageUrls = emptyList(),
             resultFeedId = resultFeedId,
             onResultConsumed = {
                 backStackEntry.savedStateHandle.remove<Int>("feedId")
@@ -39,6 +37,9 @@ fun NavGraphBuilder.feedNavigation(navController: NavHostController, navigateBac
             },
             onNavigateToFeedComment = { feedId ->
                 navController.navigateToFeedComment(feedId)
+            },
+            onNavigateToBookDetail = { isbn ->
+                navController.navigateToBookDetail(isbn)
             }
         )
     }
@@ -57,11 +58,33 @@ fun NavGraphBuilder.feedNavigation(navController: NavHostController, navigateBac
         val viewModel: FeedWriteViewModel = hiltViewModel()
 
         LaunchedEffect(route) {
-            if (route.isbn != null &&
+            if (
+                route.feedId != null &&
+                route.editContentBody != null &&
+                route.isbn != null &&
+                route.bookTitle != null &&
+                route.bookAuthor != null
+            ) {
+                viewModel.setEditData(
+                    feedId = route.feedId,
+                    isbn = route.isbn,
+                    bookTitle = route.bookTitle,
+                    bookAuthor = route.bookAuthor,
+                    bookImageUrl = route.bookImageUrl ?: "",
+                    contentBody = route.editContentBody,
+                    isPublic = route.editIsPublic ?: true,
+                    tagList = route.editTagList ?: emptyList()
+                )
+            } else if (route.feedId != null) {
+                // 수정 모드: 기존 방식 (API 호출)
+                viewModel.loadFeedForEdit(route.feedId)
+            } else if (route.isbn != null &&
                 route.bookTitle != null &&
                 route.bookAuthor != null &&
                 route.bookImageUrl != null &&
-                route.recordContent != null) {
+                route.recordContent != null
+            ) {
+                // 새 글 작성 모드: 기록장에서 온 데이터 설정
                 viewModel.setPinnedRecord(
                     isbn = route.isbn,
                     bookTitle = route.bookTitle,
@@ -100,6 +123,9 @@ fun NavGraphBuilder.feedNavigation(navController: NavHostController, navigateBac
             feedId = route.feedId,
             onNavigateBack = {
                 navController.popBackStack()
+            },
+            onNavigateToFeedEdit = { feedId ->
+                navController.navigate(FeedRoutes.Write(feedId = feedId))
             }
         )
     }
diff --git a/app/src/main/java/com/texthip/thip/ui/navigator/navigations/SearchNavigation.kt b/app/src/main/java/com/texthip/thip/ui/navigator/navigations/SearchNavigation.kt
index 71a0f77b..d1e08ad5 100644
--- a/app/src/main/java/com/texthip/thip/ui/navigator/navigations/SearchNavigation.kt
+++ b/app/src/main/java/com/texthip/thip/ui/navigator/navigations/SearchNavigation.kt
@@ -6,6 +6,7 @@ import androidx.navigation.compose.composable
 import androidx.navigation.toRoute
 import com.texthip.thip.ui.navigator.extensions.navigateToBookDetail
 import com.texthip.thip.ui.navigator.extensions.navigateToBookGroup
+import com.texthip.thip.ui.navigator.extensions.navigateToFeedComment
 import com.texthip.thip.ui.navigator.extensions.navigateToGroupMakeRoomWithBook
 import com.texthip.thip.ui.navigator.extensions.navigateToGroupRecruit
 import com.texthip.thip.ui.navigator.extensions.navigateToRegisterBook
@@ -44,6 +45,9 @@ fun NavGraphBuilder.searchNavigation(navController: NavHostController) {
             },
             onWriteFeedClick = {
                 // TODO: 피드 작성 화면으로 이동
+            },
+            onFeedClick = { feedId ->
+                navController.navigateToFeedComment(feedId)
             }
         )
     }
diff --git a/app/src/main/java/com/texthip/thip/ui/navigator/routes/FeedRoutes.kt b/app/src/main/java/com/texthip/thip/ui/navigator/routes/FeedRoutes.kt
index 55e0d1d5..e70faa67 100644
--- a/app/src/main/java/com/texthip/thip/ui/navigator/routes/FeedRoutes.kt
+++ b/app/src/main/java/com/texthip/thip/ui/navigator/routes/FeedRoutes.kt
@@ -11,11 +11,17 @@ sealed class FeedRoutes : Routes() {
 
     @Serializable
     data class Write(
+        val feedId: Int? = null,  // 수정 모드용 피드 ID
         val isbn: String? = null,
         val bookTitle: String? = null,
         val bookAuthor: String? = null,
         val bookImageUrl: String? = null,
-        val recordContent: String? = null
+        val recordContent: String? = null,
+        // 수정 모드용 추가 필드들
+        val editContentBody: String? = null,
+        val editIsPublic: Boolean? = null,
+        val editTagList: List<String>? = null,
+        val editContentUrls: List<String>? = null
     ) : FeedRoutes()
 
     @Serializable data class Others(val userId: Long) : FeedRoutes()
diff --git a/app/src/main/java/com/texthip/thip/ui/search/component/SearchFilterButton.kt b/app/src/main/java/com/texthip/thip/ui/search/component/SearchFilterButton.kt
new file mode 100644
index 00000000..f23752da
--- /dev/null
+++ b/app/src/main/java/com/texthip/thip/ui/search/component/SearchFilterButton.kt
@@ -0,0 +1,142 @@
+package com.texthip.thip.ui.search.component
+
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.animation.fadeIn
+import androidx.compose.animation.fadeOut
+import androidx.compose.foundation.background
+import androidx.compose.foundation.border
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.interaction.MutableInteractionSource
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.Icon
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.Density
+import androidx.compose.ui.unit.IntOffset
+import androidx.compose.ui.unit.dp
+import com.texthip.thip.R
+import com.texthip.thip.ui.theme.ThipTheme.colors
+import com.texthip.thip.ui.theme.ThipTheme.typography
+
+// 단순 FilterButton 컴포넌트 (드롭다운 제거)
+@Composable
+fun SearchFilterButton(
+    modifier: Modifier = Modifier,
+    selectedOption: String,
+    isExpanded: Boolean = false,
+    onClick: () -> Unit
+) {
+    Box(
+        modifier = modifier.fillMaxWidth(),
+        contentAlignment = Alignment.TopEnd
+    ) {
+        Row(
+            modifier = Modifier
+                .height(36.dp)
+                .clickable(
+                    interactionSource = remember { MutableInteractionSource() },
+                    indication = null
+                ) { onClick() },
+            horizontalArrangement = Arrangement.End,
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            Text(
+                text = selectedOption,
+                color = colors.Grey01,
+                style = typography.menu_m500_s14_h24
+            )
+            Icon(
+                painter = painterResource(
+                    id = if (isExpanded) R.drawable.ic_upmore else R.drawable.ic_downmore
+                ),
+                contentDescription = "Dropdown",
+                tint = colors.Grey02,
+                modifier = Modifier.size(24.dp)
+            )
+        }
+    }
+}
+
+// Screen 레벨 드롭다운 오버레이
+@Composable
+fun SearchFilterDropdownOverlay(
+    modifier: Modifier = Modifier,
+    isVisible: Boolean,
+    options: List<String>,
+    selectedOption: String,
+    filterButtonPosition: IntOffset,
+    density: Density,
+    onOptionSelected: (String) -> Unit,
+    onDismiss: () -> Unit
+) {
+    if (isVisible) {
+        Box(
+            modifier = modifier
+                .fillMaxSize()
+                .background(Color.Transparent)
+                .clickable(
+                    interactionSource = remember { MutableInteractionSource() },
+                    indication = null
+                ) { onDismiss() }
+        )
+    }
+
+    AnimatedVisibility(
+        visible = isVisible,
+        enter = fadeIn(),
+        exit = fadeOut()
+    ) {
+        Box(
+            modifier = Modifier.fillMaxSize(),
+            contentAlignment = Alignment.TopEnd
+        ) {
+            Column(
+                modifier = Modifier
+                    .padding(
+                        top = with(density) { (filterButtonPosition.y - 36).toDp() },
+                        end = 20.dp // 기존 FilterButton과 동일하게 화면 오른쪽에서 20dp
+                    )
+                    .width(144.dp)
+                    .border(
+                        width = 1.dp,
+                        color = colors.Grey01,
+                        shape = RoundedCornerShape(16.dp)
+                    )
+                    .background(color = colors.Black, shape = RoundedCornerShape(16.dp))
+                    .padding(vertical = 20.dp, horizontal = 12.dp),
+                verticalArrangement = Arrangement.spacedBy(16.dp)
+            ) {
+                options.forEach { option ->
+                    val isSelected = option == selectedOption
+                    Text(
+                        text = option,
+                        color = if (isSelected) colors.White else colors.Grey02,
+                        style = typography.feedcopy_r400_s14_h20,
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .clickable {
+                                onOptionSelected(option)
+                                onDismiss()
+                            }
+                    )
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/texthip/thip/ui/search/screen/SearchBookDetailScreen.kt b/app/src/main/java/com/texthip/thip/ui/search/screen/SearchBookDetailScreen.kt
index 3d5491cc..2ea2b17e 100644
--- a/app/src/main/java/com/texthip/thip/ui/search/screen/SearchBookDetailScreen.kt
+++ b/app/src/main/java/com/texthip/thip/ui/search/screen/SearchBookDetailScreen.kt
@@ -1,7 +1,6 @@
 package com.texthip.thip.ui.search.screen
 
 import androidx.compose.animation.AnimatedVisibility
-import coil.compose.AsyncImage
 import androidx.compose.foundation.background
 import androidx.compose.foundation.border
 import androidx.compose.foundation.clickable
@@ -13,8 +12,12 @@ import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.heightIn
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.itemsIndexed
+import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.material3.Icon
@@ -22,45 +25,56 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableIntStateOf
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
-import androidx.hilt.navigation.compose.hiltViewModel
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.blur
 import androidx.compose.ui.graphics.Brush
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.layout.onGloballyPositioned
+import androidx.compose.ui.layout.positionInRoot
+import androidx.compose.ui.platform.LocalDensity
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.IntOffset
 import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
+import coil.compose.AsyncImage
 import com.texthip.thip.R
 import com.texthip.thip.data.model.book.response.BookDetailResponse
-import com.texthip.thip.ui.search.viewmodel.BookDetailViewModel
 import com.texthip.thip.ui.common.buttons.ActionMediumButton
-import com.texthip.thip.ui.common.buttons.FilterButton
 import com.texthip.thip.ui.common.modal.InfoPopup
 import com.texthip.thip.ui.common.topappbar.DefaultTopAppBar
 import com.texthip.thip.ui.common.topappbar.GradationTopAppBar
+import com.texthip.thip.ui.mypage.component.SavedFeedCard
+import com.texthip.thip.ui.search.component.SearchFilterButton
+import com.texthip.thip.ui.search.component.SearchFilterDropdownOverlay
+import com.texthip.thip.ui.search.viewmodel.BookDetailUiState
+import com.texthip.thip.ui.search.viewmodel.BookDetailViewModel
 import com.texthip.thip.ui.theme.ThipTheme
 import com.texthip.thip.ui.theme.ThipTheme.colors
 import com.texthip.thip.ui.theme.ThipTheme.typography
+import com.texthip.thip.utils.color.hexToColor
 import kotlinx.coroutines.delay
 
+
 @Composable
 fun SearchBookDetailScreen(
     modifier: Modifier = Modifier,
     isbn: String,
-    feedList: List<String> = emptyList(),
     onLeftClick: () -> Unit = {},
     onRightClick: () -> Unit = {},
     onRecruitingGroupClick: () -> Unit = {},
     onWriteFeedClick: () -> Unit = {},
+    onFeedClick: (Int) -> Unit = {},
+    onBookmarkClick: (String, Boolean) -> Unit = { _, _ -> },
     viewModel: BookDetailViewModel = hiltViewModel()
 ) {
     val uiState by viewModel.uiState.collectAsState()
@@ -70,53 +84,29 @@ fun SearchBookDetailScreen(
         viewModel.loadBookDetail(isbn)
     }
 
-    when {
-        uiState.isLoading -> {
-            SearchBookDetailScreenContent(
-                modifier = modifier,
-                isLoading = true,
-                error = null,
-                bookDetail = null,
-                feedList = feedList,
-                onLeftClick = onLeftClick,
-                onRightClick = onRightClick,
-                onRecruitingGroupClick = onRecruitingGroupClick,
-                onWriteFeedClick = onWriteFeedClick,
-                onBookmarkClick = { _, _ -> }
-            )
-        }
-        uiState.error != null -> {
-            SearchBookDetailScreenContent(
-                modifier = modifier,
-                isLoading = false,
-                error = uiState.error!!,
-                bookDetail = null,
-                feedList = feedList,
-                onLeftClick = onLeftClick,
-                onRightClick = onRightClick,
-                onRecruitingGroupClick = onRecruitingGroupClick,
-                onWriteFeedClick = onWriteFeedClick,
-                onBookmarkClick = { _, _ -> }
-            )
+    SearchBookDetailScreenContent(
+        modifier = modifier,
+        isLoading = uiState.isLoading,
+        error = uiState.error,
+        bookDetail = uiState.bookDetail,
+        uiState = uiState,
+        onLeftClick = onLeftClick,
+        onRightClick = onRightClick,
+        onRecruitingGroupClick = onRecruitingGroupClick,
+        onWriteFeedClick = onWriteFeedClick,
+        onFeedClick = onFeedClick,
+        onBookmarkClick = { isbnParam, newState ->
+            viewModel.saveBook(isbnParam, newState)
+            onBookmarkClick(isbnParam, newState)
+        },
+        onSortChange = { sortType ->
+            val apiSortType = if (sortType == "인기순") "like" else "latest"
+            viewModel.changeSortOrder(isbn, apiSortType)
+        },
+        onLoadMore = {
+            viewModel.loadMoreFeeds(isbn)
         }
-        uiState.bookDetail != null -> {
-            SearchBookDetailScreenContent(
-                modifier = modifier,
-                isLoading = false,
-                error = null,
-                bookDetail = uiState.bookDetail!!,
-                feedList = feedList,
-                onLeftClick = onLeftClick,
-                onRightClick = onRightClick,
-                onRecruitingGroupClick = onRecruitingGroupClick,
-                onWriteFeedClick = onWriteFeedClick,
-                onBookmarkClick = { isbn, newState ->
-                    viewModel.saveBook(isbn, newState)
-                }
-            )
-        }
-        else -> {}
-    }
+    )
 }
 
 @Composable
@@ -125,26 +115,52 @@ private fun SearchBookDetailScreenContent(
     isLoading: Boolean = false,
     error: String? = null,
     bookDetail: BookDetailResponse? = null,
-    feedList: List<String> = emptyList(),
+    uiState: BookDetailUiState? = null,
     onLeftClick: () -> Unit = {},
     onRightClick: () -> Unit = {},
     onRecruitingGroupClick: () -> Unit = {},
     onWriteFeedClick: () -> Unit = {},
-    onBookmarkClick: (String, Boolean) -> Unit = { _, _ -> }
+    onFeedClick: (Int) -> Unit = {},
+    onBookmarkClick: (String, Boolean) -> Unit = { _, _ -> },
+    onSortChange: (String) -> Unit = {},
+    onLoadMore: () -> Unit = {}
 ) {
     var isAlarmVisible by remember { mutableStateOf(true) }
     var isIntroductionPopupVisible by remember { mutableStateOf(false) }
     var isBookmarked by remember { mutableStateOf(bookDetail?.isSaved ?: false) }
-    var selectedFilterOption by remember { mutableIntStateOf(0) }
-
+    var isFilterDropdownVisible by remember { mutableStateOf(false) }
+    var filterButtonPosition by remember { mutableStateOf(IntOffset.Zero) }
+    val density = LocalDensity.current
     val filterOptions = listOf(
         stringResource(R.string.sort_like),
         stringResource(R.string.sort_latest)
     )
 
-    // 알림 5초간 노출 (미리보기에서는 항상 보이도록)
-    LaunchedEffect(Unit) {
-        if (!isLoading && error == null && bookDetail != null) {
+    // UI 상태를 ViewModel의 currentSort와 동기화
+    val currentSortFromViewModel = uiState?.currentSort ?: "like"
+    val selectedFilterOption = if (currentSortFromViewModel == "like") 0 else 1
+
+    val lazyListState = rememberLazyListState()
+    val shouldLoadMore by remember {
+        derivedStateOf {
+            val layoutInfo = lazyListState.layoutInfo
+            val totalItemsNumber = layoutInfo.totalItemsCount
+            val lastVisibleItemIndex = (layoutInfo.visibleItemsInfo.lastOrNull()?.index ?: 0) + 1
+
+            lastVisibleItemIndex > (totalItemsNumber - 3)
+        }
+    }
+
+    // 무한 스크롤 로직
+    LaunchedEffect(shouldLoadMore) {
+        if (shouldLoadMore && uiState?.isLoadingMore == false && !uiState.isLast) {
+            onLoadMore()
+        }
+    }
+
+    // 알림 5초간 노출
+    LaunchedEffect(bookDetail) {
+        if (bookDetail != null) {
             isAlarmVisible = true
             delay(5000)
             isAlarmVisible = false
@@ -153,7 +169,7 @@ private fun SearchBookDetailScreenContent(
 
     // 북마크 상태 동기화
     LaunchedEffect(bookDetail?.isSaved) {
-        bookDetail?.let { 
+        bookDetail?.let {
             isBookmarked = it.isSaved
         }
     }
@@ -169,6 +185,7 @@ private fun SearchBookDetailScreenContent(
                 )
             }
         }
+
         error != null -> {
             Box(
                 modifier = modifier.fillMaxSize(),
@@ -181,12 +198,13 @@ private fun SearchBookDetailScreenContent(
                 )
             }
         }
+
         bookDetail != null -> {
             Box(modifier = modifier.fillMaxSize()) {
-                // 메인 컨텐츠
                 Box(
                     modifier = Modifier
                         .fillMaxSize()
+                        .background(colors.Black)
                         .then(
                             if (isIntroductionPopupVisible) {
                                 Modifier.blur(4.dp)
@@ -195,190 +213,202 @@ private fun SearchBookDetailScreenContent(
                             }
                         )
                 ) {
-                    // 실제 책 이미지 사용
-                    Box(modifier = Modifier
-                        .height(420.dp)
-                        .fillMaxWidth()) {
-                        AsyncImage(
-                            model = bookDetail.imageUrl,
-                            contentDescription = bookDetail.title,
-                            modifier = Modifier
-                                .matchParentSize()
-                                .blur(4.dp),
-                            contentScale = ContentScale.Crop,
-                            fallback = painterResource(R.drawable.img_book_cover_sample),
-                            error = painterResource(R.drawable.img_book_cover_sample)
-                        )
-                        Box(
-                            modifier = Modifier
-                                .matchParentSize()
-                                .background(
-                                    brush = Brush.verticalGradient(
-                                        colors = listOf(
-                                            Color.Transparent,
-                                            colors.Black.copy(alpha = 0.3f),
-                                            colors.Black.copy(alpha = 0.6f),
-                                            colors.Black.copy(alpha = 0.9f),
-                                            colors.Black
-                                        ),
-                                        startY = 0f,
-                                        endY = Float.POSITIVE_INFINITY
-                                    )
-                                )
-                        )
-                    }
-
-                    Column(modifier = Modifier.fillMaxSize()) {
-                        AnimatedVisibility(visible = isAlarmVisible) {
-                            GradationTopAppBar(
-                                isImageVisible = true,
-                                count = bookDetail.readCount,
-                                onLeftClick = onLeftClick,
-                                onRightClick = {}
-                            )
-                        }
-                        AnimatedVisibility(visible = !isAlarmVisible) {
-                            DefaultTopAppBar(
-                                isRightIconVisible = true,
-                                isTitleVisible = false,
-                                onLeftClick = onLeftClick,
-                                onRightClick = onRightClick
-                            )
-                        }
-
-                        // 상세 정보 영역
-                        Column(
-                            modifier = Modifier
-                                .fillMaxWidth()
-                                .padding(horizontal = 20.dp)
-                        ) {
-                            Text(
-                                modifier = Modifier.padding(top = 40.dp),
-                                text = bookDetail.title,
-                                color = colors.White,
-                                style = typography.bigtitle_b700_s22
-                            )
-                            Spacer(modifier = Modifier.height(8.dp))
-
-                            Text(
-                                text = stringResource(
-                                    R.string.search_book_author,
-                                    bookDetail.authorName,
-                                    bookDetail.publisher
-                                ),
-                                color = colors.Grey,
-                                style = typography.menu_sb600_s12_h20
-                            )
-
-                            Column(
-                                modifier = Modifier
-                                    .padding(top = 33.dp)
-                                    .fillMaxWidth()
-                                    .clickable { isIntroductionPopupVisible = true }
+                    // 전체 스크롤 가능한 컨텐츠
+                    LazyColumn(
+                        state = lazyListState,
+                        modifier = Modifier.fillMaxSize()
+                    ) {
+                        // 상단 책 이미지 배경 영역
+                        item {
+                            Box(
+                                modifier = Modifier.fillMaxWidth()
                             ) {
-                                Text(
-                                    text = stringResource(R.string.search_book_comment),
-                                    color = colors.White,
-                                    style = typography.menu_sb600_s14_h24,
+                                AsyncImage(
+                                    model = bookDetail.imageUrl,
+                                    contentDescription = bookDetail.title,
+                                    modifier = Modifier
+                                        .fillMaxWidth()
+                                        .heightIn(min = 420.dp)
+                                        .blur(4.dp),
+                                    contentScale = ContentScale.Crop,
+                                    fallback = painterResource(R.drawable.img_book_cover_sample),
+                                    error = painterResource(R.drawable.img_book_cover_sample)
                                 )
-                                Spacer(modifier = Modifier.height(5.dp))
-
-                                Text(
-                                    text = bookDetail.description,
-                                    color = colors.Grey,
-                                    style = typography.copy_r400_s12_h20,
-                                    maxLines = 2,
-                                    overflow = TextOverflow.Ellipsis
+                                Box(
+                                    modifier = Modifier
+                                        .matchParentSize()
+                                        .background(
+                                            brush = Brush.verticalGradient(
+                                                colors = listOf(
+                                                    Color.Transparent,
+                                                    colors.Black.copy(alpha = 0.3f),
+                                                    colors.Black.copy(alpha = 0.6f),
+                                                    colors.Black.copy(alpha = 0.9f),
+                                                    colors.Black
+                                                ),
+                                                startY = 0f,
+                                                endY = Float.POSITIVE_INFINITY
+                                            )
+                                        )
                                 )
-                            }
 
-                            Spacer(modifier = Modifier.height(40.dp))
-                            Column(
-                                modifier = Modifier.fillMaxWidth(),
-                                verticalArrangement = Arrangement.spacedBy(12.dp)
-                            ) {
-                                ActionMediumButton(
-                                    text = stringResource(
-                                        R.string.search_recruiting_group_count,
-                                        bookDetail.recruitingRoomCount
-                                    ),
-                                    contentColor = colors.Grey,
-                                    backgroundColor = Color.Transparent,
-                                    hasRightIcon = true,
+                                // 책 정보 컨텐츠를 이미지 위에 배치
+                                Column(
                                     modifier = Modifier
                                         .fillMaxWidth()
-                                        .border(
-                                            width = 1.dp,
-                                            color = colors.Grey,
-                                            shape = RoundedCornerShape(12.dp)
+                                        .padding(horizontal = 20.dp)
+                                ) {
+                                    Spacer(modifier = Modifier.height(96.dp)) // TopAppBar 공간
+
+                                    Text(
+                                        modifier = Modifier.padding(top = 40.dp),
+                                        text = bookDetail.title,
+                                        color = colors.White,
+                                        style = typography.bigtitle_b700_s22
+                                    )
+                                    Spacer(modifier = Modifier.height(8.dp))
+
+                                    Text(
+                                        text = stringResource(
+                                            R.string.search_book_author,
+                                            bookDetail.authorName,
+                                            bookDetail.publisher
                                         ),
-                                    onClick = onRecruitingGroupClick,
-                                )
-                                Row {
-                                    ActionMediumButton(
-                                        text = stringResource(R.string.search_write_feed_comment),
-                                        contentColor = colors.White,
-                                        backgroundColor = colors.Purple,
-                                        hasRightIcon = true,
-                                        hasRightPlusIcon = true,
-                                        modifier = Modifier.weight(1f),
-                                        onClick = onWriteFeedClick
+                                        color = colors.Grey,
+                                        style = typography.menu_sb600_s12_h20
                                     )
-                                    Box(
+
+                                    Column(
                                         modifier = Modifier
-                                            .padding(start = 12.dp)
-                                            .size(44.dp)
-                                            .border(
-                                                width = 1.dp,
-                                                color = colors.Grey02,
-                                                shape = RoundedCornerShape(12.dp)
-                                            )
-                                            .background(
-                                                color = Color.Transparent,
-                                                shape = RoundedCornerShape(12.dp)
-                                            )
-                                            .clickable {
-                                                val newBookmarkState = !isBookmarked
-                                                isBookmarked = newBookmarkState
-                                                onBookmarkClick(bookDetail.isbn, newBookmarkState)
-                                            },
-                                        contentAlignment = Alignment.Center,
+                                            .padding(top = 33.dp)
+                                            .fillMaxWidth()
+                                            .clickable { isIntroductionPopupVisible = true }
                                     ) {
-                                        Icon(
-                                            painter = painterResource(
-                                                if (isBookmarked)
-                                                    R.drawable.ic_save_filled
-                                                else
-                                                    R.drawable.ic_save
+                                        Text(
+                                            text = stringResource(R.string.search_book_comment),
+                                            color = colors.White,
+                                            style = typography.menu_sb600_s14_h24,
+                                        )
+                                        Spacer(modifier = Modifier.height(5.dp))
+
+                                        Text(
+                                            text = bookDetail.description,
+                                            color = colors.Grey,
+                                            style = typography.copy_r400_s12_h20,
+                                            maxLines = 2,
+                                            overflow = TextOverflow.Ellipsis
+                                        )
+                                    }
+
+                                    Spacer(modifier = Modifier.height(40.dp))
+                                    Column(
+                                        modifier = Modifier.fillMaxWidth(),
+                                        verticalArrangement = Arrangement.spacedBy(12.dp)
+                                    ) {
+                                        ActionMediumButton(
+                                            text = stringResource(
+                                                R.string.search_recruiting_group_count,
+                                                bookDetail.recruitingRoomCount
                                             ),
-                                            contentDescription = null,
-                                            tint = Color.Unspecified,
-                                            modifier = Modifier.size(24.dp)
+                                            contentColor = colors.Grey,
+                                            backgroundColor = Color.Transparent,
+                                            hasRightIcon = true,
+                                            modifier = Modifier
+                                                .fillMaxWidth()
+                                                .border(
+                                                    width = 1.dp,
+                                                    color = colors.Grey,
+                                                    shape = RoundedCornerShape(12.dp)
+                                                ),
+                                            onClick = onRecruitingGroupClick,
                                         )
+                                        Row {
+                                            ActionMediumButton(
+                                                text = stringResource(R.string.search_write_feed_comment),
+                                                contentColor = colors.White,
+                                                backgroundColor = colors.Purple,
+                                                hasRightIcon = true,
+                                                hasRightPlusIcon = true,
+                                                modifier = Modifier.weight(1f),
+                                                onClick = onWriteFeedClick
+                                            )
+                                            Box(
+                                                modifier = Modifier
+                                                    .padding(start = 12.dp)
+                                                    .size(44.dp)
+                                                    .border(
+                                                        width = 1.dp,
+                                                        color = colors.Grey02,
+                                                        shape = RoundedCornerShape(12.dp)
+                                                    )
+                                                    .background(
+                                                        color = Color.Transparent,
+                                                        shape = RoundedCornerShape(12.dp)
+                                                    )
+                                                    .clickable {
+                                                        val newBookmarkState = !isBookmarked
+                                                        isBookmarked = newBookmarkState
+                                                        onBookmarkClick(bookDetail.isbn, newBookmarkState)
+                                                    },
+                                                contentAlignment = Alignment.Center,
+                                            ) {
+                                                Icon(
+                                                    painter = painterResource(
+                                                        if (isBookmarked)
+                                                            R.drawable.ic_save_filled
+                                                        else
+                                                            R.drawable.ic_save
+                                                    ),
+                                                    contentDescription = null,
+                                                    tint = Color.Unspecified,
+                                                    modifier = Modifier.size(24.dp)
+                                                )
+                                            }
+                                        }
                                     }
+                                    Spacer(modifier = Modifier.height(44.dp))
+
+                                    Text(
+                                        text = stringResource(R.string.search_watch_feed),
+                                        color = colors.Grey,
+                                        style = typography.smalltitle_sb600_s18_h24,
+                                        modifier = Modifier.padding(bottom = 8.dp)
+                                    )
+
+                                    SearchFilterButton(
+                                        modifier = Modifier
+                                            .onGloballyPositioned { coordinates ->
+                                                filterButtonPosition = IntOffset(
+                                                    coordinates.positionInRoot().x.toInt(),
+                                                    coordinates.positionInRoot().y.toInt()
+                                                )
+                                            },
+                                        selectedOption = filterOptions[selectedFilterOption],
+                                        isExpanded = isFilterDropdownVisible,
+                                        onClick = {
+                                            isFilterDropdownVisible = !isFilterDropdownVisible
+                                        }
+                                    )
+                                    // 구분선
+                                    Spacer(
+                                        modifier = Modifier
+                                            .fillMaxWidth()
+                                            .height(1.dp)
+                                            .background(colors.DarkGrey02)
+                                    )
                                 }
                             }
-                            Spacer(modifier = Modifier.height(44.dp))
+                        }
 
-                            Text(
-                                text = stringResource(R.string.search_watch_feed),
-                                color = colors.Grey,
-                                style = typography.smalltitle_sb600_s18_h24,
-                                modifier = Modifier.padding(bottom = 33.dp)
-                            )
+                        // 피드 목록 (ViewModel에서 변환된 데이터 사용)
+                        val feedItems = uiState?.feedItems ?: emptyList()
 
-                            // 피드 리스트
-                            Spacer(
-                                modifier = Modifier
-                                    .fillMaxWidth()
-                                    .height(1.dp)
-                                    .background(colors.DarkGrey02)
-                            )
-                            if (feedList.isEmpty()) {
+                        if (feedItems.isEmpty() && uiState?.isLoadingFeeds != true) {
+                            item {
                                 Box(
                                     modifier = Modifier
                                         .fillMaxWidth()
-                                        .weight(1f),
+                                        .height(250.dp),
                                     contentAlignment = Alignment.Center
                                 ) {
                                     Column(horizontalAlignment = Alignment.CenterHorizontally) {
@@ -395,23 +425,87 @@ private fun SearchBookDetailScreenContent(
                                         )
                                     }
                                 }
-                            } else {
-                                // TODO: 피드 UI 구현 되면 수정
+                            }
+                        }
+
+                        if (uiState?.isLoadingFeeds == true && feedItems.isEmpty()) {
+                            item {
+                                Box(
+                                    modifier = Modifier
+                                        .fillMaxWidth()
+                                        .height(200.dp),
+                                    contentAlignment = Alignment.Center
+                                ) {
+                                    CircularProgressIndicator(color = colors.White)
+                                }
+                            }
+                        }
+
+                        // 피드 아이템들
+                        itemsIndexed(
+                            items = feedItems,
+                            key = { _, feedItem -> feedItem.id }
+                        ) { index, feedItem ->
+                            val relatedFeedItem = uiState?.relatedFeeds?.getOrNull(index)
+
+                            Spacer(modifier = Modifier.height(if (index == 0) 20.dp else 40.dp))
+
+                            SavedFeedCard(
+                                feedItem = feedItem,
+                                bottomTextColor = relatedFeedItem?.aliasColor?.let { hexToColor(it) } ?: colors.NeonGreen,
+                                onContentClick = { onFeedClick(feedItem.id) },
+                                onBookClick = { /* TODO: Book navigation */ }
+                            )
+
+                            Spacer(modifier = Modifier.height(40.dp))
+
+                            if (index != feedItems.lastIndex) {
+                                Spacer(
+                                    modifier = Modifier
+                                        .fillMaxWidth()
+                                        .height(6.dp)
+                                        .background(colors.DarkGrey02)
+                                )
+                            }
+                        }
+
+                        // 무한 스크롤 로딩 인디케이터
+                        if (uiState?.isLoadingMore == true) {
+                            item {
+                                Box(
+                                    modifier = Modifier
+                                        .fillMaxWidth()
+                                        .padding(16.dp),
+                                    contentAlignment = Alignment.Center
+                                ) {
+                                    CircularProgressIndicator(
+                                        color = colors.White
+                                    )
+                                }
                             }
                         }
                     }
                 }
 
-                FilterButton(
-                    modifier = Modifier
-                        .align(Alignment.TopEnd)
-                        .padding(top = 462.dp, start = 20.dp, end = 20.dp),
-                    selectedOption = filterOptions[selectedFilterOption],
-                    options = filterOptions,
-                    onOptionSelected = { option ->
-                        selectedFilterOption = filterOptions.indexOf(option)
+                // TopAppBar 오버레이 (고정)
+                Column {
+                    AnimatedVisibility(visible = isAlarmVisible) {
+                        GradationTopAppBar(
+                            isImageVisible = true,
+                            count = bookDetail.readCount,
+                            onLeftClick = onLeftClick,
+                            onRightClick = {}
+                        )
                     }
-                )
+                    AnimatedVisibility(visible = !isAlarmVisible) {
+                        DefaultTopAppBar(
+                            isRightIconVisible = true,
+                            isTitleVisible = false,
+                            onLeftClick = onLeftClick,
+                            onRightClick = onRightClick
+                        )
+                    }
+                }
 
                 if (isIntroductionPopupVisible) {
                     Box(
@@ -426,6 +520,19 @@ private fun SearchBookDetailScreenContent(
                         )
                     }
                 }
+
+                // FilterDropdown 오버레이
+                SearchFilterDropdownOverlay(
+                    isVisible = isFilterDropdownVisible,
+                    options = filterOptions,
+                    selectedOption = filterOptions[selectedFilterOption],
+                    filterButtonPosition = filterButtonPosition,
+                    density = density,
+                    onOptionSelected = { option ->
+                        onSortChange(option)
+                    },
+                    onDismiss = { isFilterDropdownVisible = false }
+                )
             }
         }
         else -> {}
@@ -452,8 +559,7 @@ private val mockBookDetailSaved = mockBookDetail.copy(isSaved = true)
 fun SearchBookDetailScreenContentPreview() {
     ThipTheme {
         SearchBookDetailScreenContent(
-            bookDetail = mockBookDetail,
-            feedList = emptyList()
+            bookDetail = mockBookDetail
         )
     }
 }
@@ -463,19 +569,7 @@ fun SearchBookDetailScreenContentPreview() {
 fun SearchBookDetailScreenContentSavedPreview() {
     ThipTheme {
         SearchBookDetailScreenContent(
-            bookDetail = mockBookDetailSaved,
-            feedList = emptyList()
-        )
-    }
-}
-
-@Preview(showBackground = true)
-@Composable
-fun SearchBookDetailScreenContentWithFeedsPreview() {
-    ThipTheme {
-        SearchBookDetailScreenContent(
-            bookDetail = mockBookDetail,
-            feedList = listOf("피드 1", "피드 2", "피드 3")
+            bookDetail = mockBookDetailSaved
         )
     }
 }
@@ -488,4 +582,4 @@ fun SearchBookDetailScreenContentErrorPreview() {
             error = "책 정보를 불러오는데 실패했습니다."
         )
     }
-}
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/texthip/thip/ui/search/viewmodel/BookDetailViewModel.kt b/app/src/main/java/com/texthip/thip/ui/search/viewmodel/BookDetailViewModel.kt
index 839cae5b..f1c2235c 100644
--- a/app/src/main/java/com/texthip/thip/ui/search/viewmodel/BookDetailViewModel.kt
+++ b/app/src/main/java/com/texthip/thip/ui/search/viewmodel/BookDetailViewModel.kt
@@ -4,8 +4,11 @@ import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.texthip.thip.R
 import com.texthip.thip.data.model.book.response.BookDetailResponse
+import com.texthip.thip.data.model.feed.response.RelatedFeedItem
 import com.texthip.thip.data.provider.StringResourceProvider
+import com.texthip.thip.ui.mypage.mock.FeedItem
 import com.texthip.thip.data.repository.BookRepository
+import com.texthip.thip.data.repository.FeedRepository
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
@@ -13,65 +16,180 @@ import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.launch
 import javax.inject.Inject
 
+
+data class BookDetailUiState(
+    val bookDetail: BookDetailResponse? = null,
+    val isLoading: Boolean = false,
+    val isSaving: Boolean = false,
+    val error: String? = null,
+    val relatedFeeds: List<RelatedFeedItem> = emptyList(),
+    val isLoadingFeeds: Boolean = false,
+    val isLoadingMore: Boolean = false,
+    val nextCursor: String? = null,
+    val isLast: Boolean = false,
+    val currentSort: String = "like",
+    val feedError: String? = null
+) {
+    val feedItems: List<FeedItem>
+        get() = relatedFeeds.map { it.toFeedItem() }
+}
+
 @HiltViewModel
 class BookDetailViewModel @Inject constructor(
     private val bookRepository: BookRepository,
+    private val feedRepository: FeedRepository,
     private val stringResourceProvider: StringResourceProvider
 ) : ViewModel() {
 
     private val _uiState = MutableStateFlow(BookDetailUiState())
     val uiState: StateFlow<BookDetailUiState> = _uiState.asStateFlow()
 
+    private fun updateState(update: (BookDetailUiState) -> BookDetailUiState) {
+        _uiState.value = update(_uiState.value)
+    }
+
     fun loadBookDetail(isbn: String) {
         viewModelScope.launch {
-            _uiState.value = _uiState.value.copy(isLoading = true, error = null)
-            
+            updateState { it.copy(isLoading = true, error = null) }
+
             bookRepository.getBookDetail(isbn)
                 .onSuccess { bookDetail ->
-                    _uiState.value = _uiState.value.copy(
-                        bookDetail = bookDetail,
-                        isLoading = false,
-                        error = null
-                    )
+                    updateState {
+                        it.copy(
+                            bookDetail = bookDetail,
+                            isLoading = false,
+                            error = null
+                        )
+                    }
+                    // 책 상세 정보 로드 후 관련 피드도 로드
+                    loadRelatedFeeds(isbn, "like")
+                }
+                .onFailure { exception ->
+                    updateState {
+                        it.copy(
+                            isLoading = false,
+                            error = exception.message
+                                ?: stringResourceProvider.getString(R.string.error_book_detail_load_failed)
+                        )
+                    }
+                }
+        }
+    }
+
+    fun loadRelatedFeeds(isbn: String, sort: String = "like") {
+        viewModelScope.launch {
+            updateState { it.copy(isLoadingFeeds = true) }
+
+            feedRepository.getRelatedBookFeeds(isbn, sort, null)
+                .onSuccess { response ->
+                    updateState {
+                        it.copy(
+                            relatedFeeds = response?.feeds ?: emptyList(),
+                            nextCursor = response?.nextCursor,
+                            isLast = response?.isLast ?: true,
+                            isLoadingFeeds = false,
+                            currentSort = sort
+                        )
+                    }
+                }
+                .onFailure { exception ->
+                    updateState {
+                        it.copy(
+                            isLoadingFeeds = false,
+                            feedError = exception.message
+                        )
+                    }
+                }
+        }
+    }
+
+    fun loadMoreFeeds(isbn: String) {
+        val currentState = _uiState.value
+        if (currentState.isLoadingMore || currentState.isLast || currentState.nextCursor == null) return
+
+        viewModelScope.launch {
+            updateState { it.copy(isLoadingMore = true) }
+
+            feedRepository.getRelatedBookFeeds(
+                isbn,
+                currentState.currentSort,
+                currentState.nextCursor
+            )
+                .onSuccess { response ->
+                    updateState { state ->
+                        state.copy(
+                            relatedFeeds = currentState.relatedFeeds + (response?.feeds
+                                ?: emptyList()),
+                            nextCursor = response?.nextCursor,
+                            isLast = response?.isLast ?: true,
+                            isLoadingMore = false
+                        )
+                    }
                 }
                 .onFailure { exception ->
-                    _uiState.value = _uiState.value.copy(
-                        isLoading = false,
-                        error = exception.message ?: stringResourceProvider.getString(R.string.error_book_detail_load_failed)
-                    )
+                    updateState { state ->
+                        state.copy(
+                            isLoadingMore = false,
+                            feedError = exception.message
+                        )
+                    }
                 }
         }
     }
 
+    fun changeSortOrder(isbn: String, sort: String) {
+        if (_uiState.value.currentSort != sort) {
+            loadRelatedFeeds(isbn, sort)
+        }
+    }
+
     fun saveBook(isbn: String, type: Boolean) {
         viewModelScope.launch {
-            _uiState.value = _uiState.value.copy(isSaving = true, error = null)
-            
+            updateState { it.copy(isSaving = true, error = null) }
+
             bookRepository.saveBook(isbn, type)
                 .onSuccess { saveResponse ->
-                    saveResponse?.let {
+                    saveResponse?.let { it ->
                         // 책 상세 정보의 isSaved 상태 업데이트
-                        val updatedBookDetail = _uiState.value.bookDetail?.copy(isSaved = it.isSaved)
-                        _uiState.value = _uiState.value.copy(
-                            bookDetail = updatedBookDetail,
-                            isSaving = false,
-                            error = null
-                        )
+                        val updatedBookDetail =
+                            _uiState.value.bookDetail?.copy(isSaved = it.isSaved)
+                        updateState {
+                            it.copy(
+                                bookDetail = updatedBookDetail,
+                                isSaving = false,
+                                error = null
+                            )
+                        }
                     }
                 }
                 .onFailure { exception ->
-                    _uiState.value = _uiState.value.copy(
-                        isSaving = false,
-                        error = exception.message ?: stringResourceProvider.getString(R.string.error_book_save_failed)
-                    )
+                    updateState {
+                        it.copy(
+                            isSaving = false,
+                            error = exception.message
+                                ?: stringResourceProvider.getString(R.string.error_book_save_failed)
+                        )
+                    }
                 }
         }
     }
 }
 
-data class BookDetailUiState(
-    val bookDetail: BookDetailResponse? = null,
-    val isLoading: Boolean = false,
-    val isSaving: Boolean = false,
-    val error: String? = null
-)
\ No newline at end of file
+// RelatedFeedItem을 FeedItem으로 변환하는 확장 함수
+private fun RelatedFeedItem.toFeedItem(): FeedItem {
+    return FeedItem(
+        id = this.feedId,
+        userProfileImage = this.creatorProfileImageUrl,
+        userName = this.creatorNickname,
+        userRole = this.aliasName,
+        bookTitle = this.bookTitle,
+        authName = this.bookAuthor,
+        timeAgo = this.postDate,
+        content = this.contentBody,
+        likeCount = this.likeCount,
+        commentCount = this.commentCount,
+        isLiked = this.isLiked,
+        isSaved = this.isSaved,
+        imageUrls = this.contentUrls
+    )
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/texthip/thip/ui/search/viewmodel/SearchBookViewModel.kt b/app/src/main/java/com/texthip/thip/ui/search/viewmodel/SearchBookViewModel.kt
index 5efbe973..4a0445c3 100644
--- a/app/src/main/java/com/texthip/thip/ui/search/viewmodel/SearchBookViewModel.kt
+++ b/app/src/main/java/com/texthip/thip/ui/search/viewmodel/SearchBookViewModel.kt
@@ -52,7 +52,7 @@ class SearchBookViewModel @Inject constructor(
                 ) 
             }
             searchJob = viewModelScope.launch {
-                delay(1000) // Live search에 딜레이 추가
+                delay(300)
                 performSearch(query, isLiveSearch = true)
             }
         } else {
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 3a0488d1..76ad949f 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -339,6 +339,7 @@
     <string name="selected_tags">선택된 태그</string>
     <string name="tag_count">%1$d / %2$d개</string>
     <string name="edit_feed">수정하기</string>
+    <string name="edit_feed_title">글 수정</string>
     <string name="delete_feed">삭제하기</string>
     <string name="delete_feed_dialog_title">이 피드를 삭제하시겠어요?</string>
     <string name="delete_feed_dialog_description">삭제 후에는 되돌릴 수 없어요.</string>
@@ -415,6 +416,10 @@
     <!-- FeedWriteViewModel -->
     <string name="error_feed_id_not_returned">서버 feedId 반환 오류</string>
 
+    <!-- API constants -->
+    <string name="api_sort_like" translatable="false">like</string>
+    <string name="api_sort_latest" translatable="false">latest</string>
+    
     <!-- GenreManager API constants -->
     <string name="api_genre_science_it" translatable="false">과학/IT</string>