The Zhengding Ancient City Wall was built in the Northern Zhou Dynasty and was originally built as a stone. Due to historical reasons and the development of urban construction in recent years, Zhengding City has been mostly Tucheng except for the existing city gates. Dongchengmen has been buried under the national defense work, the south gate of the city gate and the city gate, the west of the city gate, the city gate, the north of the city gate and the moon gate. The restoration or alteration of later generations is also carried out on this basis. Played an important role in preventing floods and military defense.