diff --git a/mysql/insert_query.py b/mysql/insert_query.py
index de61bcc..5aabdbb 100644
--- a/mysql/insert_query.py
+++ b/mysql/insert_query.py
@@ -77,4 +77,10 @@ def insert_book_info(cursor, book_info, publisher_id):
     inserted_book_id = cursor.lastrowid
 
     print(f"책 이름 : '{book_info['book_name']}', Primary key : '{inserted_book_id}' 데이터가 추가되었습니다.")
-    return inserted_book_id
\ No newline at end of file
+    return inserted_book_id
+
+def insert_book_thumbnail(cursor, book_id, image_url):
+    insert_query = "INSERT INTO book_thumbnails (book_id, thumbnail_image_url) VALUES (%s, %s)"
+    execute_query(cursor, insert_query, (book_id, image_url, ))
+
+    print(f"book_id : '{book_id}'에 대한 썸네일 이미지 데이터가 추가되었습니다.")
diff --git a/openAPI/book.py b/openAPI/book.py
index 69efa24..cd2d324 100644
--- a/openAPI/book.py
+++ b/openAPI/book.py
@@ -46,10 +46,10 @@ def isbn_list_by_category_id():
                 inserted_publisher_id = insert_publisher(cursor, result['publisher'])
 
                 # TODO : 도서 데이터 insert
-
                 inserted_book_id = insert_book_info(cursor, result['book_info'], inserted_publisher_id)
 
                 # TODO : 도서 썸네일 이미지 insert
+                insert_book_thumbnail(cursor, inserted_book_id, result['book_thumbnail_image_url'])
 
                 # TODO : 도서 미리보기 이미지 insert