During a novel coronavirus epidemic, it is important to do a good job of personal disinfection and disinfection of the home. Personal disinfection is mainly about hand hygiene and disinfection of the skin exposed to the air, which can be done with hand sanitizer containing alcohol or 75% alcohol to disinfect the hands and skin, which can effectively inactivate the novel coronavirus. If alcohol is not available, you can wash your hands repeatedly with hand sanitizer under running water and avoid touching your mouth, nose and eyes with dirty hands. For disinfection at home, you can use chlorine disinfectant or 75% alcohol for wiping disinfection of object surfaces. Chlorine disinfectant can be used as 84 disinfectant, which can be sprayed on object surfaces, such as door handles or escalators. If you use 75% alcohol, you can use the method of wiping, avoid the method of spraying, otherwise it may cause a fire, 84 disinfectant and alcohol can not be used together. Usually do a good job of ventilation at home, wear a mask when you go out, wash your hands regularly, and avoid close contact with people.