diff --git a/src/record/iframe-manager.ts b/src/record/iframe-manager.ts
index b5eefc59..1825c178 100644
--- a/src/record/iframe-manager.ts
+++ b/src/record/iframe-manager.ts
@@ -30,6 +30,7 @@ export class IframeManager {
       removes: [],
       texts: [],
       attributes: [],
+      isAttachIframe: true,
     });
     this.loadListener?.((iframeEl as unknown) as HTMLIFrameElement);
   }
diff --git a/src/record/index.ts b/src/record/index.ts
index 70333c07..b6e378d4 100644
--- a/src/record/index.ts
+++ b/src/record/index.ts
@@ -157,6 +157,14 @@ function record<T = eventWithTime>(
       lastFullSnapshotEvent = e;
       incrementalSnapshotCount = 0;
     } else if (e.type === EventType.IncrementalSnapshot) {
+      // attch iframe should be considered as full snapshot
+      if (
+        e.data.source === IncrementalSource.Mutation &&
+        e.data.isAttachIframe
+      ) {
+        return;
+      }
+
       incrementalSnapshotCount++;
       const exceedCount =
         checkoutEveryNth && incrementalSnapshotCount >= checkoutEveryNth;
diff --git a/src/types.ts b/src/types.ts
index cdcc4164..e9fa13d6 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -168,7 +168,7 @@ export type SamplingStrategy = Partial<{
    * number is the throttle threshold of mouse/touch move callback
    */
   mousemoveCallback: number;
-  /** 
+  /**
    * false means not to record mouse interaction events
    * can also specify record some kinds of mouse interactions
    */
@@ -297,6 +297,7 @@ type mutationCallbackParam = {
   attributes: attributeMutation[];
   removes: removedNodeMutation[];
   adds: addedNodeMutation[];
+  isAttachIframe?: true;
 };
 
 export type mutationCallBack = (m: mutationCallbackParam) => void;