Abstract
Abstract: Nanjing is the capital city of Jiangsu Province, the Yangtze River Delta megacity and an important central city in eastern China. Nanjing has the unique position of "Chengdong Qixi, connecting north and south, connecting land and sea" in the Yangtze River Delta city group, and is focusing on building an innovative city with global influence, which plays an important role in promoting the region to achieve higher quality and integrated development. The sudden outbreak of new coronavirus pneumonia has brought unprecedented impact and pressure on China's urban economic development, Nanjing actively responds to the impact of the new corona pneumonia epidemic and economic downward pressure. According to statistics department data released, Nanjing is the only "trillion GDP city club" members in the first quarter to achieve positive economic growth of the city, showing the good resilience and sound state of Economic growth in Nanjing. Based on the analysis of big data analysis, this paper focuses on the impact of the epidemic on the resumption of work, product circulation and the flow of key business circles in industrial parks above the provincial level on the basis of analyzing the impact of urban population return and return cycle. At the same time, the study of the government's specific measures in expanding domestic demand, enterprise support and so on, to guide the relevant cities at home and abroad to successfully respond to the outbreak of new coronavirus pneumonia has a certain reference significance.
