diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/expression/rules/MedianConvert.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/expression/rules/MedianConvert.java
index e6e295ef98c2a8..d8144bf25083f8 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/expression/rules/MedianConvert.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/expression/rules/MedianConvert.java
@@ -39,7 +39,7 @@ public class MedianConvert implements ExpressionPatternRuleFactory {
     public List<ExpressionPatternMatcher<? extends Expression>> buildRules() {
         return ImmutableList.of(
                 matchesType(Median.class).then(median ->
-                    new Percentile(median.child(0), DoubleLiteral.of(0.5))
+                    new Percentile(median.isDistinct(), median.child(0), DoubleLiteral.of(0.5))
                 ).toRule(ExpressionRuleType.MEDIAN_CONVERT)
         );
     }
diff --git a/regression-test/data/nereids_rules_p0/expression/test_convert_median_to_percentile.out b/regression-test/data/nereids_rules_p0/expression/test_convert_median_to_percentile.out
index 3cccc3d6fb086b..43e5deec56b409 100644
--- a/regression-test/data/nereids_rules_p0/expression/test_convert_median_to_percentile.out
+++ b/regression-test/data/nereids_rules_p0/expression/test_convert_median_to_percentile.out
@@ -19,3 +19,6 @@
 -- !select_6 --
 2001	125.5
 
+-- !median_distinct --
+5.5	1
+
diff --git a/regression-test/suites/nereids_rules_p0/expression/test_convert_median_to_percentile.groovy b/regression-test/suites/nereids_rules_p0/expression/test_convert_median_to_percentile.groovy
index ea26b5480bd19e..f5357ae4e055b1 100644
--- a/regression-test/suites/nereids_rules_p0/expression/test_convert_median_to_percentile.groovy
+++ b/regression-test/suites/nereids_rules_p0/expression/test_convert_median_to_percentile.groovy
@@ -74,6 +74,19 @@ suite("test_convert_median_to_percentile") {
     qt_select_5 "${sql5}"
     qt_select_6 "${sql6}"
 
+    sql "DROP TABLE IF EXISTS median_distinct"
+    sql """
+        CREATE TABLE median_distinct (
+            id INT,
+            value INT
+        )
+        DISTRIBUTED BY HASH(id) BUCKETS 1
+        PROPERTIES ("replication_num" = "1")
+    """
+    sql "INSERT INTO median_distinct VALUES (1, 1), (2, 1), (3, 10)"
+    order_qt_median_distinct "SELECT median(DISTINCT value), median(value) FROM median_distinct"
+    sql "DROP TABLE IF EXISTS median_distinct"
+
     sql "DROP TABLE if exists sales"
     sql "DROP DATABASE if exists test_convert_median_to_percentile"
 }