diff --git a/be/src/olap/olap_common.h b/be/src/olap/olap_common.h
index b886123c52b8a7..e1b0bf3641fae2 100644
--- a/be/src/olap/olap_common.h
+++ b/be/src/olap/olap_common.h
@@ -259,8 +259,11 @@ struct OlapReaderStatistics {
     int64_t rows_key_range_filtered = 0;
     int64_t rows_stats_filtered = 0;
     int64_t rows_bf_filtered = 0;
-    int64_t rows_del_filtered = 0;
-    int64_t rows_conditions_filtered = 0;
+    // Including the number of rows filtered out according to the Delete information in the Tablet, 
+    // and the number of rows filtered for marked deleted rows under the unique key model.
+    int64_t rows_del_filtered = 0; 
+    // the number of rows filtered by various column indexes.
+    int64_t rows_conditions_filtered = 0; 
 
     int64_t index_load_ns = 0;
 
diff --git a/be/src/olap/rowset/beta_rowset_reader.h b/be/src/olap/rowset/beta_rowset_reader.h
index 9ad2de4f81f86c..bc003f4c1001db 100644
--- a/be/src/olap/rowset/beta_rowset_reader.h
+++ b/be/src/olap/rowset/beta_rowset_reader.h
@@ -48,7 +48,8 @@ class BetaRowsetReader : public RowsetReader {
 
     RowsetSharedPtr rowset() override { return std::dynamic_pointer_cast<Rowset>(_rowset); }
 
-    int64_t filtered_rows() override { return _stats->rows_del_filtered; }
+    // Return the total number of filtered rows, will be used for validation of schema change
+    int64_t filtered_rows() override { return _stats->rows_del_filtered + _stats->rows_conditions_filtered; }
 
 private:
     BetaRowsetSharedPtr _rowset;