diff --git a/regression-test/data/nereids_rules_p0/push_count_into_union_all/push_count_into_union_all.out b/regression-test/data/nereids_rules_p0/push_count_into_union_all/push_count_into_union_all.out
index 3d5d235dde2204a..f0c84c4c3f31cd3 100644
--- a/regression-test/data/nereids_rules_p0/push_count_into_union_all/push_count_into_union_all.out
+++ b/regression-test/data/nereids_rules_p0/push_count_into_union_all/push_count_into_union_all.out
@@ -326,3 +326,39 @@ PhysicalResultSink
 --------------------filter((mal_test_push_count.a = 1))
 ----------------------PhysicalOlapScan[mal_test_push_count]
 
+-- !test_upper_refer_count_star --
+1	10
+2	2
+3	6
+4	2
+5	10
+7	2
+
+-- !test_upper_refer_count_star_shape --
+PhysicalResultSink
+--PhysicalQuickSort[MERGE_SORT]
+----PhysicalDistribute[DistributionSpecGather]
+------PhysicalQuickSort[LOCAL_SORT]
+--------hashAgg[GLOBAL]
+----------PhysicalDistribute[DistributionSpecHash]
+------------hashAgg[LOCAL]
+--------------PhysicalUnion
+----------------hashAgg[GLOBAL]
+------------------PhysicalDistribute[DistributionSpecHash]
+--------------------hashAgg[LOCAL]
+----------------------PhysicalProject
+------------------------filter((mal_test_push_count.a > 1))
+--------------------------PhysicalOlapScan[mal_test_push_count]
+----------------hashAgg[GLOBAL]
+------------------PhysicalDistribute[DistributionSpecHash]
+--------------------hashAgg[LOCAL]
+----------------------PhysicalProject
+------------------------filter((mal_test_push_count.a < 100))
+--------------------------PhysicalOlapScan[mal_test_push_count]
+----------------hashAgg[GLOBAL]
+------------------PhysicalDistribute[DistributionSpecHash]
+--------------------hashAgg[LOCAL]
+----------------------PhysicalProject
+------------------------filter((mal_test_push_count.a = 1))
+--------------------------PhysicalOlapScan[mal_test_push_count]
+
diff --git a/regression-test/suites/nereids_rules_p0/push_count_into_union_all/push_count_into_union_all.groovy b/regression-test/suites/nereids_rules_p0/push_count_into_union_all/push_count_into_union_all.groovy
index 3bf77492ac30f3a..694cd08b156d8f3 100644
--- a/regression-test/suites/nereids_rules_p0/push_count_into_union_all/push_count_into_union_all.groovy
+++ b/regression-test/suites/nereids_rules_p0/push_count_into_union_all/push_count_into_union_all.groovy
@@ -115,4 +115,15 @@ suite("push_count_into_union_all") {
         explain shape plan
         select a,count(b) c1,sum(b) from (select a,b from mal_test_push_count where a>1 union all select a,b from mal_test_push_count where a<100 
         union all select a,b from mal_test_push_count where a=1 ) t group by a order by 1,2,3;"""
+
+    qt_test_upper_refer_count_star """
+        select a,c1 from (
+        select a,count(*) c1 from (select a,b from mal_test_push_count where a>1 union all select a,b from mal_test_push_count where a<100 
+        union all select a,b from mal_test_push_count where a=1 ) t group by a) outer_table order by 1,2;"""
+
+    qt_test_upper_refer_count_star_shape """
+        explain shape plan
+        select a,c1 from (
+        select a,count(*) c1 from (select a,b from mal_test_push_count where a>1 union all select a,b from mal_test_push_count where a<100 
+        union all select a,b from mal_test_push_count where a=1 ) t group by a) outer_table order by 1,2;"""
 }
\ No newline at end of file