Legal analysis: 1 The mobile dining car can't be handled, because the business license requires a fixed business place. A mobile fast food truck shall first obtain a catering service license.

legal basis: article 9 of the measures for the administration of food and beverage service license. an applicant applying for a food and beverage service license to the food and drug supervision and administration department shall meet the following basic conditions: (1) having a place for food raw material processing and food processing and storage that is suitable for the variety and quantity of food to be produced and supplied, and keeping the environment of the place clean and tidy. And keep a specified distance from toxic and harmful places and other pollution sources; 2) have business equipment or facilities suitable for the variety and quantity of food to be produced and supplied, and have corresponding equipment or facilities for disinfection, changing clothes, washing hands, lighting, ventilation, refrigeration, dust prevention, fly prevention, rodent prevention, insect prevention, washing, waste water treatment and garbage storage; 3) have food safety management personnel who have been trained in food safety and meet the relevant conditions. And the rules and regulations that are suitable for the actual situation of the unit to ensure food safety. 4) Have a reasonable layout and processing flow, prevent the food to be processed from being cross-contaminated with directly imported food, raw materials and finished products, and avoid the food from contacting toxic and unclean substances. 5) Other conditions stipulated by the State Food and Drug Administration or the food and drug supervision and administration departments of provinces, autonomous regions and municipalities directly under the Central Government. The requirements for food safety management personnel in catering services and food safety training shall be formulated by the State Food and Drug Administration.