According to the "Operating Service Specification of Dining System in Catering Industry" formulated by China Hotel Association, catering enterprises that have a business area of more than 311 square meters and receive banquets of more than 111 people at the same time must strictly implement the dining system; Catering enterprises less than 311 square meters should also actively adopt the dining mode of separate meals. After the outbreak, the importance of civilized dining was once again mentioned, and "public chopsticks and spoons" became a hot word, and the use of public chopsticks and spoons was vigorously promoted all over the country.