Prevention of novel coronavirus pneumonia is a very important aspect, because novel coronavirus is very contagious and there is no particularly good treatment, so prevention is very important. Prevention requires attention to the home regularly open windows and ventilation, open windows and ventilation also need to pay attention to regular disinfection at home, you can apply 75% application of alcohol and chlorine disinfectant, such as 84 disinfectant. But disinfection must pay attention to safety, to prevent fire caused by alcohol. While disinfecting, you also need to pay attention to the usual good protection, pay attention to wear a mask when you go out. At the same time, avoid contact with people in crowded and public places, and wash your hands in time after going home.