diff --git a/apps/common/features/src/entities/attachment/api/attachment-service.ts b/apps/common/features/src/entities/attachment/api/attachment-service.ts
index 406cca549..a5352c712 100644
--- a/apps/common/features/src/entities/attachment/api/attachment-service.ts
+++ b/apps/common/features/src/entities/attachment/api/attachment-service.ts
@@ -26,7 +26,7 @@ export class AttachmentApiService implements AttachmentService {
     return response.data;
   }
 
-  public async deleteAttachment(atflId: string): Promise<void> {
+  public async deleteAttachmentByAtflId(atflId: string): Promise<void> {
     await client.delete(`${ENDPOINT.ATTACH_SERVICE.ATTACHMENTS}/${atflId}`);
   }
 
@@ -36,17 +36,13 @@ export class AttachmentApiService implements AttachmentService {
     );
   }
 
-  public async getImageUrl(atflId: string): Promise<string> {
+  public async getImageUrlByAtflId(atflId: string): Promise<string> {
     if (!atflId) return "";
     const response = await fetch(`${ENDPOINT.ATTACH_SERVICE.IMAGES}/${atflId}`);
     const blob = await response.blob();
     return URL.createObjectURL(blob);
   }
 
-  public async deleteAttachmentByAtflId(atflId: string): Promise<void> {
-    await client.delete(`${ENDPOINT.ATTACH_SERVICE.ATTACHMENTS}/${atflId}`);
-  }
-
   public async getImageUrlByAtflCd(atflCd: string): Promise<string> {
     if (!atflCd) return "";
     const response = await fetch(
@@ -56,6 +52,14 @@ export class AttachmentApiService implements AttachmentService {
     return URL.createObjectURL(blob);
   }
 
+  public async getMovieThumbnailUrl(atflId: string): Promise<string> {
+    const response = await fetch(
+      `${ENDPOINT.ATTACH_SERVICE.MOVIE_THUMBNAIL}/${atflId}`,
+    );
+    const blob = await response.blob();
+    return URL.createObjectURL(blob);
+  }
+
   public async downloadAttachmentByAtflCd(
     atflCd: string,
   ): Promise<AxiosResponse> {
diff --git a/apps/common/features/src/entities/attachment/model/attachment-interface.ts b/apps/common/features/src/entities/attachment/model/attachment-interface.ts
index 00340e9ae..5ad0fc3ea 100644
--- a/apps/common/features/src/entities/attachment/model/attachment-interface.ts
+++ b/apps/common/features/src/entities/attachment/model/attachment-interface.ts
@@ -36,10 +36,10 @@ export type AttachmentList = PageableList<Attachment>;
 export interface AttachmentService {
   getAttachmentsList: (params: AttachmentParams) => Promise<AttachmentList>;
   getAttachmentsInfo: (atflCd: string) => Promise<Attachment[]>;
-  deleteAttachment: (atflId: string) => Promise<void>;
   deleteAttachmentByAtflId: (atflId: string) => Promise<void>;
   deleteAttachmentByAtflCd: (atflCd: string) => Promise<void>;
-  getImageUrl: (atflId: string) => Promise<string>;
+  getImageUrlByAtflId: (atflId: string) => Promise<string>;
   getImageUrlByAtflCd: (atflCd: string) => Promise<string>;
+  getMovieThumbnailUrl: (atflId: string) => Promise<string>;
   downloadAttachmentByAtflCd: (atflCd: string) => Promise<AxiosResponse>;
 }
diff --git a/apps/common/features/src/shared/config/api.ts b/apps/common/features/src/shared/config/api.ts
index 69bd31b2c..243afca6d 100644
--- a/apps/common/features/src/shared/config/api.ts
+++ b/apps/common/features/src/shared/config/api.ts
@@ -7,6 +7,7 @@ export const ENDPOINT = {
     TUS_UPLOAD: "/attach-service/api/v1/tus/upload",
     EDITOR_UPLOAD: "/attach-service/api/v1/upload/editor",
     IMAGES: "/attach-service/api/v1/images",
+    MOVIE_THUMBNAIL: "/attach-service/api/v1/movie/thumbnail",
     ATTACHMENTS: "/attach-service/api/v1/atfl/attachments",
     DOWNLOAD: "/attach-service/api/v1/atflcd/download",
   },
diff --git a/apps/common/features/src/widgets/post/model/grid-view-table-columns.tsx b/apps/common/features/src/widgets/post/model/grid-view-table-columns.tsx
index a0a133ed0..242c7ee2f 100644
--- a/apps/common/features/src/widgets/post/model/grid-view-table-columns.tsx
+++ b/apps/common/features/src/widgets/post/model/grid-view-table-columns.tsx
@@ -48,22 +48,17 @@ export const createColumns = (
   {
     id: "atflCd",
     cell: ({ row }) => {
-      const atflCd = row.original.atflCd;
-      return (
-        <ThumbImage
-          atflCd={atflCd}
-          pstNo={row.original.pstNo}
-          thumbRefs={thumbRefs}
-        />
-      );
+      const { atflCd, pstNo } = row.original;
+      return <ThumbImage atflCd={atflCd} pstNo={pstNo} thumbRefs={thumbRefs} />;
     },
   },
   {
     id: "rgtrNm",
     cell: ({ row }) => {
-      const { rgtrNm } = row.original;
       return (
-        <span className="text-[1.4rem] font-bold text-label">{rgtrNm}</span>
+        <span className="text-[1.4rem] font-bold text-label">
+          {row.original.rgtrNm}
+        </span>
       );
     },
   },
diff --git a/apps/common/features/src/widgets/post/ui/with-preview-file-uploader.tsx b/apps/common/features/src/widgets/post/ui/with-preview-file-uploader.tsx
index 7dc8bee90..618108017 100644
--- a/apps/common/features/src/widgets/post/ui/with-preview-file-uploader.tsx
+++ b/apps/common/features/src/widgets/post/ui/with-preview-file-uploader.tsx
@@ -7,6 +7,7 @@ import { handleTusUpload } from "@/entities/tus";
 import { AttachmentApi, type Attachment } from "@/entities/attachment";
 import type { PostFormData, PostUpdateFormData } from "@/entities/post";
 import { setCookie, useAlertStore, useMenuStore } from "@/shared/lib";
+import type { BbsType } from "@/shared/store/menu-store";
 
 function WithPreviewFileUploader<T extends PostFormData | PostUpdateFormData>({
   form,
@@ -21,6 +22,17 @@ function WithPreviewFileUploader<T extends PostFormData | PostUpdateFormData>({
   const [thumbnailUrl, setThumbnailUrl] = useState("");
   const [progress, setProgress] = useState(0);
 
+  const fileAccept = (bbsTypeCd: BbsType) => {
+    switch (bbsTypeCd) {
+      case "BBSIMAGE":
+        return ".jpeg,.jpg,.png";
+      case "BBSMOVIE":
+        return ".mp4,.mov,.avi,.wmv,.mkv";
+      default:
+        return "";
+    }
+  };
+
   const handleTusResponse = async (res: HttpResponse) => {
     const fileInfo = res.getHeader("X-File-Info");
     if (
@@ -33,7 +45,13 @@ function WithPreviewFileUploader<T extends PostFormData | PostUpdateFormData>({
     const { atflCd, atflId } = JSON.parse(fileInfo) ?? {};
     if (atflCd) form.setValue("atflCd" as FieldPath<T>, atflCd);
     if (atflId) {
-      const imageUrl = await AttachmentApi.getImageUrl(atflId);
+      let imageUrl = "";
+      if (bbsInfo?.bbsTypeCd === "BBSIMAGE") {
+        imageUrl = await AttachmentApi.getImageUrlByAtflId(atflId);
+      }
+      if (bbsInfo?.bbsTypeCd === "BBSMOVIE") {
+        imageUrl = await AttachmentApi.getMovieThumbnailUrl(atflId);
+      }
       setThumbnailUrl(imageUrl);
     }
   };
@@ -67,7 +85,7 @@ function WithPreviewFileUploader<T extends PostFormData | PostUpdateFormData>({
   useEffect(() => {
     if (!attachmentData || attachmentData.length === 0) return;
     (async () => {
-      const imageUrl = await AttachmentApi.getImageUrl(
+      const imageUrl = await AttachmentApi.getImageUrlByAtflId(
         attachmentData[0]?.atflId as string,
       );
       setThumbnailUrl(imageUrl);
@@ -77,8 +95,8 @@ function WithPreviewFileUploader<T extends PostFormData | PostUpdateFormData>({
   return (
     <FileUploader
       id="atflCd"
-      className="!h-auto !max-w-none flex-col !items-start gap-4"
-      accept=".jpeg,.jpg,.png"
+      className="!h-auto !max-w-none flex-col !items-start gap-4 [&_.file-uploader-label]:h-[3.2rem]"
+      accept={fileAccept(bbsInfo?.bbsTypeCd as BbsType)}
       onUpload={onUpload}
       customPreview={
         <Label htmlFor="atflCd">
diff --git a/apps/cs/src/entities/attachment/api/attachment-service.ts b/apps/cs/src/entities/attachment/api/attachment-service.ts
index 1565d354e..a5352c712 100644
--- a/apps/cs/src/entities/attachment/api/attachment-service.ts
+++ b/apps/cs/src/entities/attachment/api/attachment-service.ts
@@ -26,10 +26,6 @@ export class AttachmentApiService implements AttachmentService {
     return response.data;
   }
 
-  public async deleteAttachment(atflId: string): Promise<void> {
-    await client.delete(`${ENDPOINT.ATTACH_SERVICE.ATTACHMENTS}/${atflId}`);
-  }
-
   public async deleteAttachmentByAtflId(atflId: string): Promise<void> {
     await client.delete(`${ENDPOINT.ATTACH_SERVICE.ATTACHMENTS}/${atflId}`);
   }
@@ -40,7 +36,7 @@ export class AttachmentApiService implements AttachmentService {
     );
   }
 
-  public async getImageUrl(atflId: string): Promise<string> {
+  public async getImageUrlByAtflId(atflId: string): Promise<string> {
     if (!atflId) return "";
     const response = await fetch(`${ENDPOINT.ATTACH_SERVICE.IMAGES}/${atflId}`);
     const blob = await response.blob();
diff --git a/apps/cs/src/entities/attachment/model/attachment-interface.ts b/apps/cs/src/entities/attachment/model/attachment-interface.ts
index 71b42f1c7..5ad0fc3ea 100644
--- a/apps/cs/src/entities/attachment/model/attachment-interface.ts
+++ b/apps/cs/src/entities/attachment/model/attachment-interface.ts
@@ -36,10 +36,9 @@ export type AttachmentList = PageableList<Attachment>;
 export interface AttachmentService {
   getAttachmentsList: (params: AttachmentParams) => Promise<AttachmentList>;
   getAttachmentsInfo: (atflCd: string) => Promise<Attachment[]>;
-  deleteAttachment: (atflId: string) => Promise<void>;
   deleteAttachmentByAtflId: (atflId: string) => Promise<void>;
   deleteAttachmentByAtflCd: (atflCd: string) => Promise<void>;
-  getImageUrl: (atflId: string) => Promise<string>;
+  getImageUrlByAtflId: (atflId: string) => Promise<string>;
   getImageUrlByAtflCd: (atflCd: string) => Promise<string>;
   getMovieThumbnailUrl: (atflId: string) => Promise<string>;
   downloadAttachmentByAtflCd: (atflCd: string) => Promise<AxiosResponse>;
diff --git a/apps/cs/src/pages/banner/ui/banner-form.tsx b/apps/cs/src/pages/banner/ui/banner-form.tsx
index f99742ba5..7dd4a0a83 100644
--- a/apps/cs/src/pages/banner/ui/banner-form.tsx
+++ b/apps/cs/src/pages/banner/ui/banner-form.tsx
@@ -59,7 +59,7 @@ function BannerForm({ form, bnrSn, ...props }: BannerFormProps) {
 
     const { atflCd, atflId } = JSON.parse(fileInfo) ?? {};
     if (atflCd) form.setValue("atflCd", atflCd);
-    if (atflId) setImageUrl(await AttachmentApi.getImageUrl(atflId));
+    if (atflId) setImageUrl(await AttachmentApi.getImageUrlByAtflId(atflId));
     if (attachmentData)
       await AttachmentApi.deleteAttachmentByAtflCd(attachmentData.atflCd);
   };
@@ -68,7 +68,9 @@ function BannerForm({ form, bnrSn, ...props }: BannerFormProps) {
     if (!attachmentData) return;
 
     (async () => {
-      setImageUrl(await AttachmentApi.getImageUrl(attachmentData.atflId));
+      setImageUrl(
+        await AttachmentApi.getImageUrlByAtflId(attachmentData.atflId),
+      );
     })();
   }, [attachmentData]);
 
diff --git a/apps/cs/src/pages/file/ui/file-page.tsx b/apps/cs/src/pages/file/ui/file-page.tsx
index 4f6b79781..cb80e00b0 100644
--- a/apps/cs/src/pages/file/ui/file-page.tsx
+++ b/apps/cs/src/pages/file/ui/file-page.tsx
@@ -39,7 +39,8 @@ function FilePage() {
   });
 
   const { mutate: deleteAttachment } = useMutation({
-    mutationFn: (atflId: string) => AttachmentApi.deleteAttachment(atflId),
+    mutationFn: (atflId: string) =>
+      AttachmentApi.deleteAttachmentByAtflId(atflId),
     onSuccess: () => {
       refetch();
       alert("삭제되었습니다.");
diff --git a/apps/cs/src/pages/image/ui/image-form.tsx b/apps/cs/src/pages/image/ui/image-form.tsx
index 979ff931d..7018e6919 100644
--- a/apps/cs/src/pages/image/ui/image-form.tsx
+++ b/apps/cs/src/pages/image/ui/image-form.tsx
@@ -60,7 +60,7 @@ function ImageForm({ form, imgSn, ...props }: ImageFormProps) {
 
     const { atflCd, atflId } = JSON.parse(fileInfo) ?? {};
     if (atflCd) form.setValue("atflCd", atflCd);
-    if (atflId) setImageUrl(await AttachmentApi.getImageUrl(atflId));
+    if (atflId) setImageUrl(await AttachmentApi.getImageUrlByAtflId(atflId));
     if (attachmentData)
       await AttachmentApi.deleteAttachmentByAtflCd(attachmentData.atflCd);
   };
diff --git a/apps/cs/src/widgets/post/model/grid-view-table-columns.tsx b/apps/cs/src/widgets/post/model/grid-view-table-columns.tsx
index a0a133ed0..242c7ee2f 100644
--- a/apps/cs/src/widgets/post/model/grid-view-table-columns.tsx
+++ b/apps/cs/src/widgets/post/model/grid-view-table-columns.tsx
@@ -48,22 +48,17 @@ export const createColumns = (
   {
     id: "atflCd",
     cell: ({ row }) => {
-      const atflCd = row.original.atflCd;
-      return (
-        <ThumbImage
-          atflCd={atflCd}
-          pstNo={row.original.pstNo}
-          thumbRefs={thumbRefs}
-        />
-      );
+      const { atflCd, pstNo } = row.original;
+      return <ThumbImage atflCd={atflCd} pstNo={pstNo} thumbRefs={thumbRefs} />;
     },
   },
   {
     id: "rgtrNm",
     cell: ({ row }) => {
-      const { rgtrNm } = row.original;
       return (
-        <span className="text-[1.4rem] font-bold text-label">{rgtrNm}</span>
+        <span className="text-[1.4rem] font-bold text-label">
+          {row.original.rgtrNm}
+        </span>
       );
     },
   },
diff --git a/apps/cs/src/widgets/post/ui/with-preview-file-uploader.tsx b/apps/cs/src/widgets/post/ui/with-preview-file-uploader.tsx
index 129f2b3c2..618108017 100644
--- a/apps/cs/src/widgets/post/ui/with-preview-file-uploader.tsx
+++ b/apps/cs/src/widgets/post/ui/with-preview-file-uploader.tsx
@@ -47,7 +47,7 @@ function WithPreviewFileUploader<T extends PostFormData | PostUpdateFormData>({
     if (atflId) {
       let imageUrl = "";
       if (bbsInfo?.bbsTypeCd === "BBSIMAGE") {
-        imageUrl = await AttachmentApi.getImageUrl(atflId);
+        imageUrl = await AttachmentApi.getImageUrlByAtflId(atflId);
       }
       if (bbsInfo?.bbsTypeCd === "BBSMOVIE") {
         imageUrl = await AttachmentApi.getMovieThumbnailUrl(atflId);
@@ -85,7 +85,7 @@ function WithPreviewFileUploader<T extends PostFormData | PostUpdateFormData>({
   useEffect(() => {
     if (!attachmentData || attachmentData.length === 0) return;
     (async () => {
-      const imageUrl = await AttachmentApi.getImageUrl(
+      const imageUrl = await AttachmentApi.getImageUrlByAtflId(
         attachmentData[0]?.atflId as string,
       );
       setThumbnailUrl(imageUrl);
@@ -95,7 +95,7 @@ function WithPreviewFileUploader<T extends PostFormData | PostUpdateFormData>({
   return (
     <FileUploader
       id="atflCd"
-      className="!h-auto !max-w-none flex-col !items-start gap-4"
+      className="!h-auto !max-w-none flex-col !items-start gap-4 [&_.file-uploader-label]:h-[3.2rem]"
       accept={fileAccept(bbsInfo?.bbsTypeCd as BbsType)}
       onUpload={onUpload}
       customPreview={