There is no clear conclusion about when the new coronavirus will disappear completely, and the possibility that the virus will persist for a long time cannot be ruled out. New coronavirus belongs to the coronavirus, the spread of infection of the virus is the cause of the epidemic of new crown, and the virus in the process of spreading infection will be mutated, causing the existence of some mutant strains. Although the virus is sensitive to ultraviolet light and heat, and many substances can be used to inactivate the virus, there is no scientific certainty as to when the virus will disappear. In fact, it is not possible to determine whether the virus will disappear completely, and the possibility that it may persist for a long period of time cannot be ruled out. However, active and effective prevention and control measures can keep the outbreak under control. Individuals should be aware of the need to strengthen self-management and seek medical help if they are suspected to be infected.