The claim that vaccination with the new coronavirus vaccine does not cause leukemia is not true and lacks scientific basis. Currently in our country put into use all the new coronavirus vaccine meets the World Health Organization recommended index requirements, and has good immunogenicity and safety. The claim that vaccination with the new CRP vaccine can cause leukemia lacks certain scientific basis, and this claim is not true, and is not true. There is no causal relationship between the two. The public may experience different degrees of adverse reactions after receiving the new CRP vaccine. For example, transient fever, transient cold symptoms or generalized discomfort; hard nodules and pain may appear at the vaccination site; and allergic reactions may occur in a very small number of people. In conclusion, the public should not panic blindly and should be actively vaccinated with the new coronavirus vaccine in order to establish effective herd immunity.