According to the food safety law, employees working in canteens must apply for health certificates.
Personnel engaged in the production and operation of food and drinking water, cosmetics producers, and personnel who directly serve customers in public places. Anyone who suffers from dysentery, typhoid fever, viral hepatitis and other digestive tract infectious diseases (except pathogen carriers), active tuberculosis, suppurative or exudative skin diseases and other diseases that hinder food hygiene and public health shall not engage in direct contact with people's food or directly serve customers before being cured.
Personnel engaged in food production and marketing, personnel who supply and manage drinking water, and production personnel of cosmetics production enterprises; People who directly serve customers in hotels, cafes, bars, teahouses, public bathrooms, barbershops, beauty salons and swimming pools have a physical examination once a year. Personnel who directly serve foreign customers have a physical examination every two years.