In order to ensure the catering supply of key isolated personnel under epidemic prevention and control, the commercial departments of Gansu Province and Lanzhou city give full play to the advantages of the new business format of the central kitchen, start the emergency supply guarantee mechanism of the central kitchen, and determine 12 central kitchens and 25 food production enterprises and catering enterprises with large scale, prevention and control measures in place and food safety standards in Lanzhou, with "government led and enterprise processing" In the form of daily contactless distribution of free meals for the people in Lanzhou medium risk sealing and control community. (outlook new era)