diff --git a/src/main/java/com/mpnp/baechelin/bookmark/controller/FolderController.java b/src/main/java/com/mpnp/baechelin/bookmark/controller/FolderController.java
index 81dde4c..12daed1 100644
--- a/src/main/java/com/mpnp/baechelin/bookmark/controller/FolderController.java
+++ b/src/main/java/com/mpnp/baechelin/bookmark/controller/FolderController.java
@@ -63,7 +63,7 @@ public SuccessResponse folderUpdate (@PathVariable int folderId,
     @GetMapping("/folderList")
     public List<FolderResponseDto> folderList (@AuthenticationPrincipal User user){
 //        return folderService.folderList(user.getUsername());
-        return folderService.folderListV2(user.getUsername());
+        return folderService.folderList(user.getUsername());
     }
 
     /**
diff --git a/src/main/java/com/mpnp/baechelin/bookmark/dto/BookmarkInfoDto.java b/src/main/java/com/mpnp/baechelin/bookmark/dto/BookmarkInfoDto.java
index d27e46f..6704655 100644
--- a/src/main/java/com/mpnp/baechelin/bookmark/dto/BookmarkInfoDto.java
+++ b/src/main/java/com/mpnp/baechelin/bookmark/dto/BookmarkInfoDto.java
@@ -48,9 +48,6 @@ public BookmarkInfoDto(Bookmark bookmark){
 
         if(!bookmark.getStoreId().getStoreImageList().isEmpty()) {
             this.storeImageList = bookmark.getStoreId().getStoreImageList().get(0).getStoreImageUrl();
-
-        } else if(bookmark.getStoreId().getStoreImageList().isEmpty()) {
-            this.storeImageList = "";
         }
     }
 }
diff --git a/src/main/java/com/mpnp/baechelin/bookmark/dto/FolderResponseDto.java b/src/main/java/com/mpnp/baechelin/bookmark/dto/FolderResponseDto.java
index 62cd492..748af73 100644
--- a/src/main/java/com/mpnp/baechelin/bookmark/dto/FolderResponseDto.java
+++ b/src/main/java/com/mpnp/baechelin/bookmark/dto/FolderResponseDto.java
@@ -1,11 +1,14 @@
 package com.mpnp.baechelin.bookmark.dto;
 
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.mpnp.baechelin.bookmark.domain.Bookmark;
 import com.mpnp.baechelin.bookmark.domain.Folder;
 import com.mpnp.baechelin.store.domain.StoreImage;
 import lombok.*;
 
+import javax.persistence.Transient;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -29,26 +32,22 @@ public static FolderResponseDto FolderDtoRes(Folder folder) {
 
         /** 북마크의 정보를 담는 작업 */
         List<BookmarkInfoDto> bookmarks = new ArrayList<>();
-
-        if(folder.getBookmarkList() != null) {
-            for (Bookmark bookmark : folder.getBookmarkList()) {
-                BookmarkInfoDto bookmarkInfoDto = new BookmarkInfoDto(bookmark);
-                bookmarks.add(bookmarkInfoDto);
-
-            }
-        } else if(folder.getBookmarkList() == null) {
+        if (folder.getBookmarkList() == null || folder.getBookmarkList().isEmpty()) {
             return FolderResponseDto.builder()
                     .folderName(folder.getFolderName())
                     .id(folder.getId())
                     .thumbNail(null)
                     .build();
         }
-
+        for (Bookmark bookmark : folder.getBookmarkList()) {
+            BookmarkInfoDto bookmarkInfoDto = new BookmarkInfoDto(bookmark);
+            bookmarks.add(bookmarkInfoDto);
+        }
         return FolderResponseDto.builder()
                 .folderName(folder.getFolderName())
                 .id(folder.getId())
                 .bookmarkList(bookmarks)
-                .thumbNail(null)
+                .thumbNail(bookmarks.size() == 0 ? null : bookmarks.get(bookmarks.size() - 1).getStoreImageList())
                 .build();
     }
 }
diff --git a/src/main/java/com/mpnp/baechelin/bookmark/service/FolderService.java b/src/main/java/com/mpnp/baechelin/bookmark/service/FolderService.java
index cc56a08..beb7704 100644
--- a/src/main/java/com/mpnp/baechelin/bookmark/service/FolderService.java
+++ b/src/main/java/com/mpnp/baechelin/bookmark/service/FolderService.java
@@ -83,26 +83,4 @@ public List<FolderResponseDto> folderList(String socialId) {
         }
         return folderResponseDtoList;
     }
-
-    @Transactional(readOnly = true)
-    public List<FolderResponseDto> folderListV2(String socialId) {
-        User user = userRepository.findBySocialId(socialId);
-        if (user == null) {
-            throw new CustomException(ErrorCode.NO_USER_FOUND);
-        }
-        List<FolderResponseDto> folderResponseDtoList = new ArrayList<>();
-        for (Folder obj : user.getFolderList()) {
-            FolderResponseDto folderResponseDto = FolderResponseDto.FolderDtoRes(obj);
-            // 폴더의 최신 업장 찾기
-            Long latestStoreId = bookmarkRepository.findLatestStore(obj.getId());
-            if (latestStoreId != null) {
-                Store latestStore = storeRepository.findById(latestStoreId).orElseThrow(() -> new CustomException(ErrorCode.NO_STORE_FOUND));
-                Optional<StoreImage> storeImage = latestStore.getStoreImageList().stream().findFirst();
-                storeImage.ifPresent(image -> folderResponseDto.setThumbNail(image.getStoreImageUrl()));
-            }
-            folderResponseDtoList.add(folderResponseDto);
-        }
-        return folderResponseDtoList;
-    }
-
 }