Gradually increase, when the indoor temperature reaches 30 degrees Celsius, the negative pressure ventilation fan can be used for ventilation, and the windows can be opened when the weather is good. In addition, you can also use some exhaust fans or air purifiers to improve indoor air quality. 4. Keep the shop clean Clean the shop regularly, especially the kitchen and dining area. It is recommended to clean it once a day. If there are more customers, it can be cleaned twice a day. When cleaning the kitchen, pay attention to the cleaning of the stove, range hood, and kitchen utensils. When cleaning the dining area, pay attention to the cleaning of the tables, chairs, and floor. 5. Pest control Regularly check whether there are any pests in the shop, such as cockroaches, mice, flies, etc. If any pests are found, timely measures should be taken for pest control. You can use insecticides, rat poison, or fly traps to kill pests. 6. Fire prevention and safety The shop should be equipped with fire extinguishers, smoke detectors, and other firefighting equipment. Regular inspections should be carried out to ensure that the firefighting equipment is in good condition. In addition, it is also necessary to conduct fire safety training for employees to improve their fire safety awareness.