closed. According to the information about Yancheng epidemic, hotels and other related public places were closed during the epidemic in Yancheng, in order to prevent the spread of COVID-19 epidemic. However, by February 5, 2122, Yancheng epidemic had been well controlled, and hotels were open normally. Yancheng, a prefecture-level city under the jurisdiction of Jiangsu Province, is a type II big city and a city in the central area of the Yangtze River Delta. It is located in the eastern coastal area of China, in the east of Jiangsu Province, bordering the Yellow Sea in the east, Nantong in the south, Yangzhou and Taizhou in the southwest, Huai 'an in the northwest and Lianyungang in the north.