A store without a flue is not allowed to do food service.

"Food Service License Management Measures" is limited to the following, Article IX applicant to the Food and Drug Administration to propose food service license application should have the following basic requirements, with the production and supply of food varieties, the number of food raw materials and food processing, storage and other places appropriate to the disposal of food processing, storage, and to keep the premises environmentally clean and clean, and with the toxic, hazardous places and other sources of pollution to maintain a limited distance. With the production and supply of food varieties, the number of appropriate business equipment or facilities, there are appropriate disinfection, changing clothes, hand washing, lighting, lighting, ventilation, refrigeration, dust, flies, rodents, insects, washing and disposal of wastewater, storage of garbage and waste equipment or facilities.