Complaints about restaurants can be made in the following two ways:

1. Restaurants must have a business license and a catering service license

If one of the two licenses is missing, you can complain to the local administration for industry and commerce and the Food and Drug Administration

2. You can handle some illegal operations in the business process of restaurants. Collect evidence, take photos and then complain

refer to the following laws and regulations:

Food Law, Food Hygiene Law, Food Safety Law, Regulations for the Implementation of Food Safety Law, Measures for the Supervision and Administration of Food Safety in Catering Services, Code of Practice for Food Safety in Catering Services, Law of the People's Republic of China on Quality and Safety of Agricultural Products, Law of the People's Republic of China on Product Quality, Measures for the Administration of Food Service Licensing, etc.