Zheng's 17-room house is a place of residence in the south of Zheng's family. It is now located in Xiepu, Zhenhai District, Ningbo City, Zhejiang Province. The construction area is more than 40,000 square meters. The existing "Zheng's 17-room house" is mostly built during the period from Qing Qianlong to Guangxu. There are 335 households and 1024 people in Zheng's group.