There is no single best New Crown vaccine. All the vaccines currently approved and marketed domestically have a high level of safety and efficacy. All of the vaccines currently on the market in China can stimulate the body to produce more than effective protective antibodies, which can prevent infection by the New Crown virus, and the results are all relatively good. Domestic new coronavirus vaccines include Kexing vaccine, Anhui Zhifei vaccine, Wuhan biological vaccine, adenovirus vector vaccine and many others. All of these vaccines have high safety and efficacy in terms of current vaccination. If there are no contraindications, it is recommended that people of the appropriate age should receive the vaccine regularly, so as to stimulate the body to produce protective antibodies and avoid the occurrence of severe new crown pneumonia. Tips] In this article, “new coronavirus pneumonia” and “new coronavirus pneumonia” have been renamed to “new coronavirus infection” on December 26, 2022, as announced by the National Health Commission.