diff --git a/src/storage/high_availability/ob_tablet_backfill_tx.cpp b/src/storage/high_availability/ob_tablet_backfill_tx.cpp
index 52cf57fe8..5d9c3f36e 100644
--- a/src/storage/high_availability/ob_tablet_backfill_tx.cpp
+++ b/src/storage/high_availability/ob_tablet_backfill_tx.cpp
@@ -517,6 +517,7 @@ int ObTabletBackfillTXTask::get_all_backfill_tx_tables_(
   table_array.reset();
   ObArray<ObTableHandleV2> minor_sstables;
   ObArray<ObTableHandleV2> memtables;
+  const int64_t emergency_sstable_count = ObTabletTableStore::EMERGENCY_SSTABLE_CNT;
 
   if (!is_inited_) {
     ret = OB_NOT_INIT;
@@ -535,7 +536,11 @@ int ObTabletBackfillTXTask::get_all_backfill_tx_tables_(
     }
   } else {
     // The backfill of sstable needs to start with a larger start_scn
-    if (OB_FAIL(ObTableStoreUtil::reverse_sort_minor_table_handles(minor_sstables))) {
+    if (minor_sstables.count() > emergency_sstable_count) {
+        ret = OB_TOO_MANY_SSTABLE;
+        LOG_WARN("transfer src tablet has too many sstable, cannot backfill, need retry", K(ret),
+            "table_count", minor_sstables.count(), "emergency sstable count", emergency_sstable_count);
+    } else if (OB_FAIL(ObTableStoreUtil::reverse_sort_minor_table_handles(minor_sstables))) {
       LOG_WARN("failed to sort minor tables", K(ret));
     } else if (OB_FAIL(append(table_array, minor_sstables))) {
       LOG_WARN("failed to append minor sstables", K(ret), KPC(tablet), K(minor_sstables));
diff --git a/src/storage/ob_storage_rpc.cpp b/src/storage/ob_storage_rpc.cpp
index bdb42c28c..89016d985 100644
--- a/src/storage/ob_storage_rpc.cpp
+++ b/src/storage/ob_storage_rpc.cpp
@@ -2156,6 +2156,8 @@ int ObCheckStartTransferTabletsDelegate::check_transfer_out_tablet_sstable_(cons
   int ret = OB_SUCCESS;
   ObTableStoreIterator ddl_iter;
   ObTabletMemberWrapper<ObTabletTableStore> wrapper;
+  const int64_t emergency_sstable_count = ObTabletTableStore::EMERGENCY_SSTABLE_CNT;
+
   if (OB_ISNULL(tablet)) {
     ret = OB_INVALID_ARGUMENT;
     LOG_WARN("tablet is null", K(ret));
@@ -2163,6 +2165,10 @@ int ObCheckStartTransferTabletsDelegate::check_transfer_out_tablet_sstable_(cons
     LOG_WARN("fetch table store fail", K(ret), KP(tablet));
   } else if (!wrapper.get_member()->get_major_sstables().empty()) {
     // do nothing
+  } else if (wrapper.get_member()->get_table_count() > emergency_sstable_count) {
+    ret = OB_TOO_MANY_SSTABLE;
+    LOG_WARN("transfer src tablet has too many sstable, cannot transfer, need retry", K(ret),
+        "table_count", wrapper.get_member()->get_table_count(), "emergency sstable count", emergency_sstable_count);
   } else if (OB_FAIL(tablet->get_ddl_sstables(ddl_iter))) {
     LOG_WARN("failed to get ddl sstable", K(ret));
   } else if (ddl_iter.is_valid()) { // indicates the existence of ddl sstable