UV disinfection lamps can be turned off and then go inside. The main principle of UV disinfection lamps is to penetrate the cell membranes of microorganisms through UV irradiation and destroy the DNA structure of various viruses, bacteria, parasites and other pathogens. Obviously harmful to the human body, so in use can not be directly irradiated human body. After the UV disinfection lamp is turned off, the irradiation rays then disappear and do not remain in the air like steam, so there is no danger of entering the room after the UV disinfection lamp is turned off. However, after the process of UV disinfection is completed, some people may feel that there is a pungent odor in the air, open the window to ventilate.