diff --git a/backend/moment/moment-server/core/src/main/java/com/moment/core/controller/UserController.java b/backend/moment/moment-server/core/src/main/java/com/moment/core/controller/UserController.java
index a8ded17d62..87762a7d58 100644
--- a/backend/moment/moment-server/core/src/main/java/com/moment/core/controller/UserController.java
+++ b/backend/moment/moment-server/core/src/main/java/com/moment/core/controller/UserController.java
@@ -36,7 +36,7 @@ public class UserController {
     public ResponseEntity<APIResponse> registerUser(
             @RequestBody UserRequestDTO.registerUser request
             ) {
-        s3Service.createFolder(request.getId().toString());
+//        s3Service.createFolder(request.getId().toString());
         userService.save(request);
         return ResponseEntity.ok(APIResponse.of(SuccessCode.INSERT_SUCCESS));
     }
diff --git a/backend/moment/moment-server/core/src/main/java/com/moment/core/service/CardViewService.java b/backend/moment/moment-server/core/src/main/java/com/moment/core/service/CardViewService.java
index 5237a5a563..f7dedd98c4 100644
--- a/backend/moment/moment-server/core/src/main/java/com/moment/core/service/CardViewService.java
+++ b/backend/moment/moment-server/core/src/main/java/com/moment/core/service/CardViewService.java
@@ -150,6 +150,7 @@ public void deleteRecord(Long cardViewId) {
         CardView cardView = cardViewRepository.findById(cardViewId).orElseThrow(() -> new IllegalArgumentException("존재하지 않는 카드뷰입니다."));
         // cardView에 엮인 사진들 먼저 삭제
         imageFileService.deleteAll(cardView);
+        s3Service.deleteFile(cardView.getRecordFileName());
         boolean isAnalyzed = cardView.getRecordFileStatus().equals("WAIT");
         // 만약 tripfile의 Trip이 untitled일 경우
         //     만약 tripfile의 크기가 1이라면 tripFile과 cardView 전부 삭제, untitledTrip의 analyzingCount 감소
diff --git a/backend/moment/moment-server/core/src/main/java/com/moment/core/service/ImageFileService.java b/backend/moment/moment-server/core/src/main/java/com/moment/core/service/ImageFileService.java
index 92a800767f..c68406d18d 100644
--- a/backend/moment/moment-server/core/src/main/java/com/moment/core/service/ImageFileService.java
+++ b/backend/moment/moment-server/core/src/main/java/com/moment/core/service/ImageFileService.java
@@ -13,6 +13,7 @@
 
 import java.io.IOException;
 import java.util.List;
+import java.util.Objects;
 import java.util.UUID;
 
 @Service
@@ -22,6 +23,7 @@ public class ImageFileService {
     private final ImageFileRepository imageFileRepository;
     private final S3Service s3Service;
     private final CardViewRepository cardViewRepository;
+    private final UserService userService;
 
     @Transactional
     public void deleteAll(CardView cardView) {
@@ -37,7 +39,8 @@ public void uploadAll(List<MultipartFile> imageFiles, Long cardViewId, Long user
         for (MultipartFile imageFile : imageFiles) {
             CardView cv = cardViewRepository.findById(cardViewId).orElseThrow(() -> new IllegalArgumentException("해당 카드뷰가 없습니다."));
             String filename = UUID.randomUUID().toString();
-            String url = s3Service.uploadFile(imageFile, userId, filename, false);
+            String extension = Objects.requireNonNull(imageFile.getOriginalFilename()).substring(imageFile.getOriginalFilename().lastIndexOf("."));
+            String url = s3Service.uploadFile(imageFile, userId, filename + extension, false);
             ImageFile image = ImageFile.builder()
                     .fileUrl(url)
                     .fileName(filename)
@@ -48,4 +51,13 @@ public void uploadAll(List<MultipartFile> imageFiles, Long cardViewId, Long user
 
     }
 
+    @Transactional
+    public void deleteImages(List<Long> images, Long userId) {
+        for (Long imageId : images) {
+            ImageFile image = imageFileRepository.findById(imageId).orElseThrow(() -> new IllegalArgumentException("해당 이미지가 없습니다."));
+            userService.validateUserWithCardView(userId, image.getCardView().getId());
+            s3Service.deleteFile(image.getFileName());
+            imageFileRepository.delete(image);
+        }
+    }
 }
diff --git a/backend/moment/moment-server/core/src/main/java/com/moment/core/service/S3Service.java b/backend/moment/moment-server/core/src/main/java/com/moment/core/service/S3Service.java
index 0eff7dce8d..5810f6e840 100644
--- a/backend/moment/moment-server/core/src/main/java/com/moment/core/service/S3Service.java
+++ b/backend/moment/moment-server/core/src/main/java/com/moment/core/service/S3Service.java
@@ -39,16 +39,16 @@ public String uploadFile(MultipartFile image, Long userId, String fileName, bool
     }
     public String uploadToS3(MultipartFile image, Long userId, String fileName, boolean isRecord) throws IOException {
         String s3FileName = s3folderPath + userId.toString() + "/" + fileName; //S3에 저장될 파일 명
-        String extention = Objects.requireNonNull(image.getOriginalFilename()).substring(image.getOriginalFilename().lastIndexOf("."));
+        String extension = Objects.requireNonNull(image.getOriginalFilename()).substring(image.getOriginalFilename().lastIndexOf("."));
 
         InputStream is = image.getInputStream();
         byte[] bytes = IOUtils.toByteArray(is); //image를 byte[]로 변환
 
         ObjectMetadata metadata = new ObjectMetadata(); //metadata 생성
         if (isRecord) {
-            metadata.setContentType("audio/" + extention);
+            metadata.setContentType("audio/" + extension);
         } else {
-            metadata.setContentType("image/" + extention);
+            metadata.setContentType("image/" + extension);
         }
         metadata.setContentLength(bytes.length);