The characteristics of the new coronavirus like cold and fear heat, for the virus, the lower the temperature the more favorable, the higher the temperature the more unfavorable. Considering the law of morbidity, October of the previous year to April of the following year, is the high incidence of viral diseases in humans and animals. Therefore, according to this rule, the epidemic in Hubei is still at a high incidence to some extent. Before the successful development of vaccines and drugs, the most critical thing is to eliminate the source of infection and cut off the transmission route, as well as to protect susceptible people and individuals should also do a good job of self-protection.