There are three kinds of hygiene licenses: one is the food hygiene license of food production and operation enterprises; Second, waterworks, self-provided water sources and secondary water supply units engaged in water supply; The third is the sanitary license for drinking water in public places of 28 industries in 7 categories, including hotels, restaurants, hotels, chariots and horses shops, cafes, bars and teahouses; Public bathroom, barber shop, beauty salon; Theaters, video halls (cities), recreation halls (rooms), dance halls and concert halls; Stadium (gymnasium), swimming pool (gymnasium) and park; Exhibition halls, museums, art galleries and libraries; Shopping malls (shops) and bookstores; Waiting room, waiting room (plane, boat), public transportation.