1. Arrange your itinerary: First of all, you can choose to stay in Langzhong ancient city for one night to better experience the local culture and food.

2. Attractions recommendation: There are many scenic spots worth visiting in Langzhong ancient city, the most famous of which include Zhangfei Temple and Gong Yuan.

3. Food recommendation: Langzhong is rich in food, the most famous of which are Langzhong rice noodles, Langzhong bean paste and Langzhong hot and sour powder.

4. Traffic suggestion: From Nanchong Airport or Railway Station, you can take public transportation (such as bus or taxi) to the ancient city of Langzhong.

5. Special note: During the National Day and other holidays, the ancient city of Langzhong may welcome a large number of tourists. It is recommended that you book accommodation and tickets in advance.