diff --git a/src/test/java/com/alibaba/druid/sql/mysql/demo/Demo0.java b/src/test/java/com/alibaba/druid/sql/mysql/demo/Demo0.java
new file mode 100644
index 0000000000..5a71dd653e
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/sql/mysql/demo/Demo0.java
@@ -0,0 +1,32 @@
+package com.alibaba.druid.sql.mysql.demo;
+
+import java.util.List;
+
+import junit.framework.TestCase;
+
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
+import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlOutputVisitor;
+import com.alibaba.druid.sql.parser.SQLStatementParser;
+
+public class Demo0 extends TestCase {
+
+    public void test_demo_0() throws Exception {
+        String sql = "SELECT UUID();";
+
+        // parser得到AST
+        SQLStatementParser parser = new MySqlStatementParser(sql);
+        List<SQLStatement> stmtList = parser.parseStatementList(); //
+
+        // 将AST通过visitor输出
+        StringBuilder out = new StringBuilder();
+        MySqlOutputVisitor visitor = new MySqlOutputVisitor(out);
+
+        for (SQLStatement stmt : stmtList) {
+            stmt.accept(visitor);
+            out.append(";");
+        }
+
+        System.out.println(out.toString());
+    }
+}