Legal analysis: stores are not allowed to add a flue on their own. You must apply to the relevant departments and add it only after obtaining permission.

Legal basis: "Food Service License Management Measures" Article 9 The applicant to the food and drug supervision and management department to propose food service license application should have the following basic requirements:

(a) with the production and supply of food varieties, the number of food raw materials appropriate to the disposal of food materials and food processing, storage and other places, to maintain the environment of the place is neat and clean, and with toxic, harmful places and Other sources of pollution to maintain a limited distance;

(2) 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, freezing and storage, dust, fly, rodent, insect, washing, and the disposal of wastewater, storage of garbage and waste equipment or facilities;

(3) with a food safety training, meeting the relevant requirements. Food safety training, meet the relevant requirements of food safety management personnel, as well as with the unit in fact compatible with the rules and regulations to ensure food safety;

(4) has a legal layout and processing flow, to prevent the food to be processed and the direct entry of food, raw materials and finished products interact with the contamination to avoid food contact with toxic substances, unclean substances

(5) the State Food and Drug Administration Or provinces, autonomous regions, municipalities directly under the Central Food and Drug Administration limited to other requirements.