There is no remedy to prevent the new coronavirus. The main thing is to respond to the national call to reduce travel, not to gather, and to wear a mask when going out. When you are at home, you should pay attention to diligent ventilation, 2-3 times a day for 30 minutes each time. Be diligent in washing your hands, wash your hands with soap for at least 15 seconds and use the six-step scrubbing method to avoid having parts left out. It is also important to pay attention to hygiene and do indoor disinfection regularly, you can choose 75% alcohol for skin disinfection, 84 disinfectant or chlorine disinfectant can be eliminated on the surface of objects and clothing, it should be noted that it cannot be mixed with 75% alcohol, it will release toxic gas, of which chlorhexidine cannot destroy the new coronavirus. In addition, it is necessary to strengthen physical exercise to enhance physical fitness, after the invasion of the virus, if the physical fitness can reduce the probability of morbidity.