Legal analysis: During the period of quarantine, meals were marked with two standards: 71 yuan/person-day and 121 yuan/person-day. Considering the costs of raw materials, labor, venues, taxes and transportation, the gross profit margin of enterprises met the average level of catering industry.

legal basis: article 57 of the emergency response law of the people's Republic of China. citizens in the place where emergencies occur should obey the command and arrangement of the people's government, residents' committees or villagers' committees or their subordinate units, cooperate with the emergency measures taken by the people's government, actively participate in emergency rescue work and help maintain social order.