diff --git a/src/main/java/com/j9/bestmoments/service/VideoService.java b/src/main/java/com/j9/bestmoments/service/VideoService.java
index 21fb97a..ca81e94 100644
--- a/src/main/java/com/j9/bestmoments/service/VideoService.java
+++ b/src/main/java/com/j9/bestmoments/service/VideoService.java
@@ -35,9 +35,15 @@ public Video upload(Member member, VideoCreateDto createDto) {
                 .title(createDto.title())
                 .description(createDto.description())
                 .build();
+
         String videoName = FileNameGenerator.generateVideoFileName(video);
         String videoUrl = storageService.uploadFile(createDto.video(), videoName);
         video.setVideoUrl(videoUrl);
+
+        String thumbnailName = FileNameGenerator.generateThumbnailImageFileName(video);
+        String thumbnailUrl = storageService.uploadFile(createDto.thumbnail(), thumbnailName);
+        video.setThumbnailUrl(thumbnailUrl);
+
         videoRepository.save(video);
         return video;
     }
diff --git a/src/main/java/com/j9/bestmoments/util/FileNameGenerator.java b/src/main/java/com/j9/bestmoments/util/FileNameGenerator.java
index 2d8a749..be75351 100644
--- a/src/main/java/com/j9/bestmoments/util/FileNameGenerator.java
+++ b/src/main/java/com/j9/bestmoments/util/FileNameGenerator.java
@@ -18,6 +18,12 @@ public static String generateVideoFileName(Video video) {
         return String.format("video/%s/video-origin", videoId);
     }
 
+    public static String generateThumbnailImageFileName(Video video) {
+        String videoId = video.getId().toString();
+        String dateString = generateDateString();
+        return String.format("video/%s/thumbnail-%s", videoId, dateString);
+    }
+
     private static String generateDateString() {
         LocalDateTime now = LocalDateTime.now();
         DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyyMMddHHmmss");