Introduction to Gusao City: It is located in the sunshine of Baishi Mountain in the north of Gusao Village, Anping Township, Gongchangling District today. The village has been named after the city for a long time. According to relevant data, the city was first built in the Tang Dynasty and rebuilt in the early Wanli period of the Ming Dynasty. It was an important military structure on the Liaoyang section of the Liaodong border wall in the Ming Dynasty.