The new coronavirus is highly transmissible, and the usual protection needs to start from the transmission route, and the transmission route of the new coronavirus is mainly respiratory droplets and close contact transmission, so the mask is a necessity for protection. There are masks for virus protection, including medical surgical masks, N95, N90, and masks should be worn correctly. Another is not to have close contact with strangers, must keep 1-2m away. In a relatively closed environment, prolonged exposure to high concentrations of aerosol situation, there is the possibility of aerosol transmission, so usually do not go to densely populated, non-ventilated public places, such as shopping malls, theaters, restaurants, buses. And the new coronavirus is more sensitive to heat, 56 ℃ for 30 minutes and can be inactivated, so eat cooked food, drink hot water; 75% alcohol, chlorine-containing disinfectant, peroxyacetic acid, etc. can effectively inactivate the virus, so the room can be disinfected intermittently while maintaining ventilation, and usually wash your hands before and after meals.