Food safety management personnel. Food production and marketing enterprises shall be equipped with food safety management personnel, special food production enterprises, school canteens with more than 500 people, kindergarten canteens with more than 300 people, large and medium-sized food production enterprises, large and medium-sized catering service enterprises, headquarters of chain catering enterprises, large and medium-sized food sales enterprises, headquarters of chain marketing enterprises, etc. Should be equipped with food safety supervisor.