There is no such thing as a new coronavirus that can be passed on for generations, and it can constantly mutate and spread from person to person. At present, the new coronavirus infection belongs to the global pandemic period, the new coronavirus has a strong contagiousness, with the prolongation of time, in the human body, the environment and the influence of drugs and other factors, the new coronavirus can be constantly mutated between people, the specific transmission of several generations with the time, the environment has a great deal to do with the time, the longer the virus may be mutated to pass on the more generations. The longer the virus is passed on, the more it may mutate and pass on. As neocoronaviruses continue to pass on, their infectiousness and pathogenicity will change accordingly. Prevention of neo-coronavirus infection remains one of the more important tasks at present. It is recommended that booster shots of the neo-coronavirus vaccine, wearing masks, washing hands frequently and maintaining indoor ventilation are helpful in preventing the virus infection.