City economic factors have a huge influence on its developmeng and region expanding in the Chineseearly and middle Qing Dynasty, the commercial space had been completely broken through the walls to the outside. This geographic expansion ＇affected China＇s urban spatial structure and urban form, and with its specific rules. This paper is based on the analysis and summary of the commercial space＇ s evolution and characteristics in Chinese early and middle Qing Dynasty Chinese, and try to explore the development rules of urban spatial structure in the cities on early and middle Qing Dynasty of China.