The mobile dining car does not need to apply for a business license, but needs to apply for a hygiene license, and it needs to comply with the relevant regulations of urban management (you need to consult the local urban management). The regulations vary from place to place and belong to the same nature as the stalls. The formulation of national food safety standards should be based on the results of food safety risk assessment, fully consider the results of edible agricultural products safety risk assessment, refer to relevant international standards and international food safety risk assessment results, and publish the draft national food safety standards to the society, and listen to the opinions of food producers, operators, consumers and relevant departments. The national food safety standards shall be examined and approved by the National Food Safety Standards Review Committee organized by the health administrative department of the State Council. The National Standards Review Committee for Food Safety is composed of experts in medicine, agriculture, food, nutrition, biology and environment, and representatives from relevant departments, food industry associations and consumers' associations in the State Council to review the scientific and practical nature of the draft national standards for food safety.