diff --git a/case/test_dde_1271299.py b/case/test_dde_1271299.py
new file mode 100644
index 0000000000000000000000000000000000000000..487ca67ed8862a693d25ee4b79a5c18ea84c8bd6
--- /dev/null
+++ b/case/test_dde_1271299.py
@@ -0,0 +1,17 @@
+from case.base_case import BaseCase
+from pylinuxauto import sleep
+from method.dde_method import DdeMethod
+from method.dde_control_center_method import DdeControlCenterMethod
+
+
+class TestDdeCase(BaseCase):
+    def test_dde_1271299(self):
+        """添加系统语言"""
+        DdeMethod().dde_method_add_english_system_language_in_control_center()
+        self.assert_element_exist("/dde-control-center/American English - 美国英语")
+
+    def teardown_method(self):
+        """清理环境，将新增的系统语言删除"""
+        sleep(2)
+        DdeMethod().dde_method_delete_system_language_by_img()
+        DdeMethod().dde_method_close_window()