diff --git a/packages/frontend/core/src/components/blocksuite/block-suite-editor/lit-adaper.tsx b/packages/frontend/core/src/components/blocksuite/block-suite-editor/lit-adaper.tsx
index e4abc73a81d2a..0da7345fdfd93 100644
--- a/packages/frontend/core/src/components/blocksuite/block-suite-editor/lit-adaper.tsx
+++ b/packages/frontend/core/src/components/blocksuite/block-suite-editor/lit-adaper.tsx
@@ -11,6 +11,7 @@ import type {
 } from '@affine/core/modules/doc-info/types';
 import { EditorService } from '@affine/core/modules/editor';
 import { EditorSettingService } from '@affine/core/modules/editor-setting';
+import { FeatureFlagService } from '@affine/core/modules/feature-flag';
 import { JournalService } from '@affine/core/modules/journal';
 import { toURLSearchParams } from '@affine/core/modules/navigation';
 import { PeekViewService } from '@affine/core/modules/peek-view/services/peek-view';
@@ -97,12 +98,14 @@ const usePatchSpecs = (shared: boolean, mode: DocMode) => {
     docsService,
     editorService,
     workspaceService,
+    featureFlagService,
   } = useServices({
     PeekViewService,
     DocService,
     DocsService,
     WorkspaceService,
     EditorService,
+    FeatureFlagService,
   });
   const framework = useFramework();
   const referenceRenderer: ReferenceReactRenderer = useMemo(() => {
@@ -149,7 +152,11 @@ const usePatchSpecs = (shared: boolean, mode: DocMode) => {
     let patched = specs.concat(
       patchReferenceRenderer(reactToLit, referenceRenderer)
     );
-    patched = patched.concat(patchForAttachmentEmbedViews(reactToLit));
+
+    if (featureFlagService.flags.enable_pdf_embed_preview.value) {
+      patched = patched.concat(patchForAttachmentEmbedViews(reactToLit));
+    }
+
     patched = patched.concat(patchNotificationService(confirmModal));
     patched = patched.concat(patchPeekViewService(peekViewService));
     patched = patched.concat(patchEdgelessClipboard());
@@ -178,6 +185,7 @@ const usePatchSpecs = (shared: boolean, mode: DocMode) => {
     referenceRenderer,
     shared,
     specs,
+    featureFlagService,
   ]);
 
   return [
diff --git a/packages/frontend/core/src/modules/feature-flag/constant.ts b/packages/frontend/core/src/modules/feature-flag/constant.ts
index fda9046413cdc..b69ac31b128a5 100644
--- a/packages/frontend/core/src/modules/feature-flag/constant.ts
+++ b/packages/frontend/core/src/modules/feature-flag/constant.ts
@@ -234,7 +234,16 @@ export const AFFINE_FLAGS = {
     configurable: isMobile,
     defaultState: false,
   },
+  enable_pdf_embed_preview: {
+    category: 'affine',
+    displayName:
+      'com.affine.settings.workspace.experimental-features.enable-pdf-embed-preview.name',
+    description:
+      'com.affine.settings.workspace.experimental-features.enable-pdf-embed-preview.description',
+    configurable: !isMobile,
+    defaultState: false,
+  },
 } satisfies { [key in string]: FlagInfo };
 
-// eslint-disable-next-line no-redeclare
+// oxlint-disable-next-line no-redeclare
 export type AFFINE_FLAGS = typeof AFFINE_FLAGS;
diff --git a/packages/frontend/i18n/src/resources/en.json b/packages/frontend/i18n/src/resources/en.json
index 27a4eb3d582e9..51d7aa9512916 100644
--- a/packages/frontend/i18n/src/resources/en.json
+++ b/packages/frontend/i18n/src/resources/en.json
@@ -1324,6 +1324,8 @@
   "com.affine.settings.workspace.experimental-features.enable-multiple-cloud-servers.description": "Once enabled, users can connect to selfhosted cloud servers.",
   "com.affine.settings.workspace.experimental-features.enable-mobile-edgeless-editing.name": "Enable Edgeless Editing",
   "com.affine.settings.workspace.experimental-features.enable-mobile-edgeless-editing.description": "Once enabled, users can edit edgeless canvas.",
+  "com.affine.settings.workspace.experimental-features.enable-pdf-embed-preview.name": "PDF embed preview",
+  "com.affine.settings.workspace.experimental-features.enable-pdf-embed-preview.description": "Once enabled, you can preview PDF in embed view.",
   "com.affine.settings.workspace.not-owner": "Only an owner can edit the workspace avatar and name. Changes will be shown for everyone.",
   "com.affine.settings.workspace.preferences": "Preference",
   "com.affine.settings.workspace.billing": "Billing",