New crown inactivated vaccine booster shot, can be mixed, usually carry out the new crown inactivated vaccine mixing can have the advantages of complementary and avoid the side effects of the new crown vaccine effect, but if the new crown vaccine is adenovirus vector vaccine, booster shot can not be mixed. At present, the booster shot of inactivated New Crown vaccine can be taken as sequential booster vaccination, that is to say, the New Crown vaccine of a different line from the basic immunization can be used for booster vaccination, and after 6 months of vaccination, the recombinant protein vaccine of Anhui Zhifelong Coma Company or the adenoviral vaccine of Tianjin Kangxinuo Company can be chosen as the booster vaccine. In general, the mixing of inactivated vaccine booster shots allows for complementarity between the different inactivated vaccines and also avoids the side effects of the different lines of inactivated vaccines for the new crowns. However, if the vaccine is an adenovirus-vectored vaccine, then a booster shot, which requires booster immunization with the same type of vaccine, cannot be mixed. In addition, you need to rest on the spot for 30 minutes before leaving after receiving a booster shot of the new crown vaccine to prevent serious adverse reactions such as allergies. In addition, keep the area clean and dry and avoid touching water to prevent infection after receiving the booster shot of the new crown vaccine.