The source of the new coronavirus is currently unknown. The new coronavirus is an acute infectious disease that is spread mainly by the droplet route. The main source of infection of the new coronavirus is currently the new coronavirus-infected person, who is susceptible to infection after close contact because he or she is infectious during the incubation period. Infected persons are more contagious after the onset of illness, especially when they have symptoms of high fever, and asymptomatic infected persons are also contagious. New coronavirus infection for the time being there is no effective drug treatment, mainly to prevent the main, usually need to pay attention to no special circumstances as far as possible to stay at home, if you need to go out, need to wear a mask. Usually to wash your hands, wash your hands with soap, running water and wash thoroughly. When sneezing or coughing, do not cover your nose and mouth with your hands, elbows or tissues. Open windows diligently in daily life and keep warm when ventilating. Try not to go to public places with poor air circulation and high population density. Do not touch, buy or eat wild animals and avoid contact with unprotected wild animals, poultry and livestock.