diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/FloatLiteral.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/FloatLiteral.java
index 1fba4edfb9..ef0493d8e0 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/FloatLiteral.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/FloatLiteral.java
@@ -137,6 +137,11 @@ public class FloatLiteral extends NumericLiteralExpr {
         }
         NumberFormat nf = NumberFormat.getInstance();
         nf.setGroupingUsed(false);
+        if (type == Type.FLOAT) {
+            nf.setMaximumFractionDigits(7);
+        } else {
+            nf.setMaximumFractionDigits(16);
+        }
         return nf.format(value);
     }
 
diff --git a/regression-test/data/nereids_p0/sql_functions/cast_function/test_cast_function.out b/regression-test/data/nereids_p0/sql_functions/cast_function/test_cast_function.out
index 25455036ab..f62e9e8675 100644
--- a/regression-test/data/nereids_p0/sql_functions/cast_function/test_cast_function.out
+++ b/regression-test/data/nereids_p0/sql_functions/cast_function/test_cast_function.out
@@ -17,6 +17,9 @@
 -- !sql --
 20
 
+-- !sql --
+10000.00001
+
 -- !sql_null_cast_bitmap --
 true
 
diff --git a/regression-test/data/query_p0/sql_functions/cast_function/test_cast_function.out b/regression-test/data/query_p0/sql_functions/cast_function/test_cast_function.out
index 2958bce0bf..8430f51a8b 100644
--- a/regression-test/data/query_p0/sql_functions/cast_function/test_cast_function.out
+++ b/regression-test/data/query_p0/sql_functions/cast_function/test_cast_function.out
@@ -17,6 +17,9 @@
 -- !sql --
 20
 
+-- !sql --
+10000.00001
+
 -- !select1 --
 0	2022-12-01T22:23:24.123	2022-12-01 22:23:24.123	2022-12-01	2022-12-01	2022-12-01	2022-12-01	78.123	78.123	78.12345	78.12345
 1	2022-12-01T22:23:24.123	2022-12-01 22:23:24.123456789	2022-12-01	2022-12-01	2022-12-01	2022-12-01	78.123	78.123	78.12345	78.12345
diff --git a/regression-test/suites/nereids_p0/sql_functions/cast_function/test_cast_function.groovy b/regression-test/suites/nereids_p0/sql_functions/cast_function/test_cast_function.groovy
index 954c8562a1..9f348449d1 100644
--- a/regression-test/suites/nereids_p0/sql_functions/cast_function/test_cast_function.groovy
+++ b/regression-test/suites/nereids_p0/sql_functions/cast_function/test_cast_function.groovy
@@ -24,6 +24,7 @@ suite("test_cast_function") {
     qt_sql """ select cast ("0.0000031417" as datetime) """
     qt_sql """ select cast (NULL AS CHAR(1)); """
     qt_sql """ select cast ('20190101' AS CHAR(2)); """
+    qt_sql """ select cast(cast(10000.00001 as double) as string); """
     qt_sql_null_cast_bitmap """ select cast (case when BITMAP_EMPTY() is NULL then null else null end as bitmap) is NULL; """
     qt_sql_to_tiny """ select cast('1212.31' as tinyint);""" 
     qt_sql_to_small """ select cast('1212.31' as smallint);""" 
diff --git a/regression-test/suites/query_p0/sql_functions/cast_function/test_cast_function.groovy b/regression-test/suites/query_p0/sql_functions/cast_function/test_cast_function.groovy
index 30a9fbae94..fe85ba43dc 100644
--- a/regression-test/suites/query_p0/sql_functions/cast_function/test_cast_function.groovy
+++ b/regression-test/suites/query_p0/sql_functions/cast_function/test_cast_function.groovy
@@ -22,6 +22,7 @@ suite("test_cast_function") {
     qt_sql """ select cast ("0.0000031417" as datetime) """
     qt_sql """ select cast (NULL AS CHAR(1)); """
     qt_sql """ select cast ('20190101' AS CHAR(2)); """
+    qt_sql """ select cast(cast(10000.00001 as double) as string); """
 
     def tableName = "test_cast_function_nullable"
     sql "DROP TABLE IF EXISTS ${tableName}"