diff --git a/changelogs/unreleased/7080-ywk253100 b/changelogs/unreleased/7080-ywk253100
new file mode 100644
index 00000000000..bc142a31643
--- /dev/null
+++ b/changelogs/unreleased/7080-ywk253100
@@ -0,0 +1 @@
+Skip syncing the backup which doesn't contain backup metadata
\ No newline at end of file
diff --git a/pkg/controller/backup_sync_controller.go b/pkg/controller/backup_sync_controller.go
index 2fb61d6032b..74122fef307 100644
--- a/pkg/controller/backup_sync_controller.go
+++ b/pkg/controller/backup_sync_controller.go
@@ -142,6 +142,16 @@ func (b *backupSyncReconciler) Reconcile(ctx context.Context, req ctrl.Request)
 		log = log.WithField("backup", backupName)
 		log.Info("Attempting to sync backup into cluster")
 
+		exist, err := backupStore.BackupExists(location.Spec.ObjectStorage.Bucket, backupName)
+		if err != nil {
+			log.WithError(errors.WithStack(err)).Error("Error checking backup exist from backup store")
+			continue
+		}
+		if !exist {
+			log.Debugf("backup %s doesn't exist in backup store, skip", backupName)
+			continue
+		}
+
 		backup, err := backupStore.GetBackupMetadata(backupName)
 		if err != nil {
 			log.WithError(errors.WithStack(err)).Error("Error getting backup metadata from backup store")
diff --git a/pkg/controller/backup_sync_controller_test.go b/pkg/controller/backup_sync_controller_test.go
index 86ca3227b1f..885cdd6856e 100644
--- a/pkg/controller/backup_sync_controller_test.go
+++ b/pkg/controller/backup_sync_controller_test.go
@@ -429,6 +429,7 @@ var _ = Describe("Backup Sync Reconciler", func() {
 					backupNames = append(backupNames, backup.backup.Name)
 					backupStore.On("GetBackupMetadata", backup.backup.Name).Return(backup.backup, nil)
 					backupStore.On("GetPodVolumeBackups", backup.backup.Name).Return(backup.podVolumeBackups, nil)
+					backupStore.On("BackupExists", "bucket-1", backup.backup.Name).Return(true, nil)
 				}
 				backupStore.On("ListBackups").Return(backupNames, nil)
 			}