Introduction to the General Military Mansion: The General Military Mansion was the government office of the Nan'ao General Military Mansion during the Ming and Qing Dynasties. The Nan'ao General Military Mansion was located in Dayakou, Shen'ao Town. It was first built in the fourth year of Wanli in the Ming Dynasty (1576) and later underwent many changes. Repair. According to the data, there were 157 deputy generals and deputy generals who took up posts in Nan'ao during the Ming and Qing dynasties, and 147 of them worked hard here, including Qi Jiguang, Yu Dayou, Zheng Chenggong, Liu Yongfu and other famous generals. Now the government office has been turned into a museum, which preserves many important coastal defense materials.