diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/processor/post/RuntimeFilterGenerator.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/processor/post/RuntimeFilterGenerator.java
index 55d990365a2a8e..928c835e7c6b1f 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/processor/post/RuntimeFilterGenerator.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/processor/post/RuntimeFilterGenerator.java
@@ -51,6 +51,7 @@
 import org.apache.doris.nereids.trees.plans.physical.PhysicalPlan;
 import org.apache.doris.nereids.trees.plans.physical.PhysicalProject;
 import org.apache.doris.nereids.trees.plans.physical.PhysicalRelation;
+import org.apache.doris.nereids.trees.plans.physical.PhysicalSetOperation;
 import org.apache.doris.nereids.trees.plans.physical.PhysicalTopN;
 import org.apache.doris.nereids.trees.plans.physical.PhysicalWindow;
 import org.apache.doris.nereids.trees.plans.physical.RuntimeFilter;
@@ -495,6 +496,23 @@ public PhysicalRelation visitPhysicalRelation(PhysicalRelation relation, Cascade
         return relation;
     }
 
+    @Override
+    public PhysicalSetOperation visitPhysicalSetOperation(PhysicalSetOperation setOperation, CascadesContext context) {
+        setOperation.children().forEach(child -> child.accept(this, context));
+        RuntimeFilterContext ctx = context.getRuntimeFilterContext();
+        if (!setOperation.getRegularChildrenOutputs().isEmpty()) {
+            // example: RegularChildrenOutputs is empty
+            // "select 1 a, 2 b union all select 3, 4 union all select 10 e, 20 f;"
+            for (int i = 0; i < setOperation.getOutput().size(); i++) {
+                Pair childSlotPair = ctx.getAliasTransferPair(setOperation.getRegularChildOutput(0).get(0));
+                if (childSlotPair != null) {
+                    ctx.aliasTransferMapPut(setOperation.getOutput().get(i), childSlotPair);
+                }
+            }
+        }
+        return setOperation;
+    }
+
     // runtime filter build side ndv
     private long getBuildSideNdv(AbstractPhysicalJoin<? extends Plan, ? extends Plan> join,
                                  ComparisonPredicate compare) {
diff --git a/regression-test/data/nereids_tpch_shape_sf1000_p0/runtime_filter/test_pushdown_setop.out b/regression-test/data/nereids_tpch_shape_sf1000_p0/runtime_filter/test_pushdown_setop.out
new file mode 100644
index 00000000000000..5d0e6c3143d8d1
--- /dev/null
+++ b/regression-test/data/nereids_tpch_shape_sf1000_p0/runtime_filter/test_pushdown_setop.out
@@ -0,0 +1,49 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !rf_setop --
+PhysicalResultSink
+--hashAgg[GLOBAL]
+----PhysicalDistribute[DistributionSpecGather]
+------hashAgg[LOCAL]
+--------PhysicalProject
+----------hashJoin[INNER_JOIN] hashCondition=((T.l_linenumber = expr_cast(r_regionkey as BIGINT))) otherCondition=() build RFs:RF0 expr_cast(r_regionkey as BIGINT)->[cast(l_linenumber as BIGINT),o_orderkey]
+------------PhysicalExcept
+--------------PhysicalProject
+----------------hashAgg[GLOBAL]
+------------------PhysicalDistribute[DistributionSpecHash]
+--------------------hashAgg[LOCAL]
+----------------------PhysicalProject
+------------------------PhysicalOlapScan[lineitem] apply RFs: RF0
+--------------PhysicalDistribute[DistributionSpecHash]
+----------------PhysicalProject
+------------------hashAgg[LOCAL]
+--------------------PhysicalProject
+----------------------PhysicalOlapScan[orders] apply RFs: RF0
+------------PhysicalDistribute[DistributionSpecHash]
+--------------PhysicalProject
+----------------PhysicalOlapScan[region]
+
+-- !rf_setop_expr --
+PhysicalResultSink
+--hashAgg[GLOBAL]
+----PhysicalDistribute[DistributionSpecGather]
+------hashAgg[LOCAL]
+--------PhysicalProject
+----------hashJoin[INNER_JOIN] hashCondition=((expr_abs(l_linenumber) = expr_cast(r_regionkey as LARGEINT))) otherCondition=() build RFs:RF0 expr_cast(r_regionkey as LARGEINT)->[abs(l_linenumber),abs(o_orderkey)]
+------------PhysicalDistribute[DistributionSpecHash]
+--------------PhysicalProject
+----------------PhysicalExcept
+------------------PhysicalProject
+--------------------hashAgg[GLOBAL]
+----------------------PhysicalDistribute[DistributionSpecHash]
+------------------------hashAgg[LOCAL]
+--------------------------PhysicalProject
+----------------------------PhysicalOlapScan[lineitem] apply RFs: RF0
+------------------PhysicalDistribute[DistributionSpecHash]
+--------------------PhysicalProject
+----------------------hashAgg[LOCAL]
+------------------------PhysicalProject
+--------------------------PhysicalOlapScan[orders] apply RFs: RF0
+------------PhysicalDistribute[DistributionSpecHash]
+--------------PhysicalProject
+----------------PhysicalOlapScan[region]
+
diff --git a/regression-test/suites/nereids_tpch_shape_sf1000_p0/runtime_filter/test_pushdown_setop.groovy b/regression-test/suites/nereids_tpch_shape_sf1000_p0/runtime_filter/test_pushdown_setop.groovy
new file mode 100644
index 00000000000000..04ad8e20bddb24
--- /dev/null
+++ b/regression-test/suites/nereids_tpch_shape_sf1000_p0/runtime_filter/test_pushdown_setop.groovy
@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+suite("test_pushdown_setop") {
+    String db = context.config.getDbNameByFile(new File(context.file.parent))
+    sql "use ${db}"
+    sql 'set enable_nereids_planner=true'
+    sql 'set enable_fallback_to_original_planner=false'
+    sql 'set exec_mem_limit=21G'
+    sql 'set be_number_for_test=3'
+    sql 'set parallel_fragment_exec_instance_num=8; '
+    sql 'set parallel_pipeline_task_num=8; '
+    sql 'set forbid_unknown_col_stats=true'
+    sql 'set enable_nereids_timeout = false'
+    sql 'set enable_runtime_filter_prune=false'
+    sql 'set runtime_filter_type=8'
+    qt_rf_setop """
+    explain shape plan
+    select count() from ((select l_linenumber from lineitem) except (select o_orderkey from orders)) T join region on T.l_linenumber = r_regionkey;
+    """
+
+    qt_rf_setop_expr """
+    explain shape plan select count() from ((select l_linenumber from lineitem) except (select o_orderkey from orders)) T join region on abs(T.l_linenumber) = r_regionkey;
+    """
+}
+