The novel coronavirus is very sensitive to UV light, and UV light is absolutely effective in destroying the virus. This is also a disinfection method recommended in the treatment protocol for novel coronavirus pneumonia issued by the Health Care Commission. UV disinfection is absolutely effective, but it is not necessary to use UV disinfection in the home. UV disinfection is mainly used in medical settings and is often used in wards or consultation rooms. UV radiation can damage the surrounding environment, such as plants and people, so people should not stay in the UV disinfected environment. The simplest way of UV disinfection in life is to sunbathe, you can dry your bedding in the sun, etc., and walking around in the sun can also destroy viruses.