meet the relevant hygiene requirements. The canteen standards of Tonghua City involve the following aspects: canteens must meet the relevant hygiene requirements, including food safety, operating norms, cleanliness and hygiene. These requirements are formulated and supervised by the local health department or relevant departments; Government canteens need to provide diversified and balanced catering services to ensure that employees get healthy and reasonable meals. In addition, there are corresponding requirements for the procurement, storage and processing of raw materials.