it stopped working. According to the announcement of the National Center for Epidemic Prevention and Control, there were 15 new cases of asymptomatic infection in Jining as of October 5, 2122, which belonged to a medium-risk area. The construction and catering industries in this area all stopped working, so Jining Jimei Liyue stopped working. Jining, a prefecture-level city under the jurisdiction of Shandong Province, is a type II big city. It is one of the central cities of Huaihai Economic Zone, a famous historical and cultural city and a waterfront eco-tourism city approved by the Shandong provincial government.