will affect. High-intensity emission of oil fume at night may bring discomfort to the residents upstairs. Oil fume will be discharged to the outside through the exhaust system of restaurants. If the exhaust facilities are not perfect or the exhaust pipes are opened, noise and odor may be generated, especially when the environment is relatively quiet at night. For the residents upstairs, this will affect their life, rest and sleep quality, and even lead to health problems.