diff --git a/container/gmap/gmap_z_example_test.go b/container/gmap/gmap_z_example_test.go
new file mode 100644
index 000000000..1f1148300
--- /dev/null
+++ b/container/gmap/gmap_z_example_test.go
@@ -0,0 +1,112 @@
+// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with gm file,
+// You can obtain one at https://github.com/gogf/gf.
+
+package gmap_test
+
+import (
+	"fmt"
+
+	"github.com/gogf/gf/v2/container/gmap"
+)
+
+func ExampleNew() {
+	m := gmap.New()
+
+	// Add data.
+	m.Set("key1", "val1")
+
+	// Print size.
+	fmt.Println(m.Size())
+
+	addMap := make(map[interface{}]interface{})
+	addMap["key2"] = "val2"
+	addMap["key3"] = "val3"
+	addMap[1] = 1
+
+	fmt.Println(m.Values())
+
+	// Batch add data.
+	m.Sets(addMap)
+
+	// Gets the value of the corresponding key.
+	fmt.Println(m.Get("key3"))
+
+	// Get the value by key, or set it with given key-value if not exist.
+	fmt.Println(m.GetOrSet("key4", "val4"))
+
+	// Set key-value if the key does not exist, then return true; or else return false.
+	fmt.Println(m.SetIfNotExist("key3", "val3"))
+
+	// Remove key
+	m.Remove("key2")
+	fmt.Println(m.Keys())
+
+	// Batch remove keys.
+	m.Removes([]interface{}{"key1", 1})
+	fmt.Println(m.Keys())
+
+	// Contains checks whether a key exists.
+	fmt.Println(m.Contains("key3"))
+
+	// Flip exchanges key-value of the map, it will change key-value to value-key.
+	m.Flip()
+	fmt.Println(m.Map())
+
+	// Clear deletes all data of the map.
+	m.Clear()
+
+	fmt.Println(m.Size())
+
+	// May Output:
+	// 1
+	// [val1]
+	// val3
+	// val4
+	// false
+	// [key4 key1 key3 1]
+	// [key4 key3]
+	// true
+	// map[val3:key3 val4:key4]
+	// 0
+}
+
+func ExampleNewFrom() {
+	m := gmap.New()
+
+	m.Set("key1", "val1")
+	fmt.Println(m)
+
+	n := gmap.NewFrom(m.MapCopy(), true)
+	fmt.Println(n)
+
+	// Output:
+	// {"key1":"val1"}
+	// {"key1":"val1"}
+}
+
+func ExampleNewHashMap() {
+	m := gmap.New()
+
+	m.Set("key1", "val1")
+	fmt.Println(m)
+
+	// Output:
+	// {"key1":"val1"}
+}
+
+func ExampleNewHashMapFrom() {
+	m := gmap.New()
+
+	m.Set("key1", "val1")
+	fmt.Println(m)
+
+	n := gmap.NewFrom(m.MapCopy(), true)
+	fmt.Println(n)
+
+	// Output:
+	// {"key1":"val1"}
+	// {"key1":"val1"}
+}