No open fire, no matter whether the documents are complete or not, no open fire is allowed in any catering industry, which is likely to cause fire, and safety is the most important. There are fire-related documents prohibiting open flames in public places. If found, it will be resolutely banned. Self-employed business license, tax registration certificate, public place safety license, hygiene license, city appearance and environmental sanitation license, and epidemic prevention certificate for employees. Individual industrial and commercial households only need to apply for health permits and sewage permits. The hygiene license of snack bar belongs to amorphous packaged food, which is troublesome to make after approval. There are also certain requirements for the area of the store. First, they need to go to the industrial and commercial office to approve the name of a store and apply for a health permit by name.