diff --git a/src/gausskernel/optimizer/commands/prepare.cpp b/src/gausskernel/optimizer/commands/prepare.cpp
index 1e4a013cf..e138c99bf 100755
--- a/src/gausskernel/optimizer/commands/prepare.cpp
+++ b/src/gausskernel/optimizer/commands/prepare.cpp
@@ -1558,7 +1558,7 @@ Datum pg_prepared_statement(PG_FUNCTION_ARGS)
 
 Datum pg_prepared_statement_global(PG_FUNCTION_ARGS)
 {
-    if (!superuser()) {
+    if (!superuser() && !isMonitoradmin(GetUserId())) {
         aclcheck_error(ACLCHECK_NO_PRIV, ACL_KIND_PROC, "pg_prepared_statements");
     }