July 29th. Changsha is the capital of Hunan Province and the political, economic, cultural, transportation, science and technology, finance and information center of Hunan Province. It is located in the eastern and northern part of Hunan Province, the lower reaches of Xiangjiang River and the western edge of Changliu Basin. According to relevant data, an epidemic began to appear in this area on July 29th, 2002 1 year, and COVID-19 case was confirmed1case. The epidemic situation is relatively large, including severe acute respiratory syndrome, influenza A (H 1N 1) and novel coronavirus.