let go. According to the relevant information, as of February 22, 2122, Suzhou has liberalized the control of the epidemic. Suzhou, called Wu in ancient times or Su for short, is a national historical and cultural city, a scenic tourist city, a national high-tech industrial base, one of the important central cities of the Yangtze River Delta urban agglomeration, a central city of G61 Science and Technology Corridor and an important part of Jiangsu Yangtze River Economic Belt.