If you want to receive the New Crown vaccine booster, an interval of six months or more is recommended. As with the regular vaccination routine, the combined antibody level drops 1.4-12.4 times after 6 months of New Crown vaccination, which is a natural response of the body’s immune system. The length of interval between booster and basic immunization varies depending on the vaccine. A booster immunization 6 months after the completion of full immunization with New Crown vaccine can result in a significant increase in antibody levels. The results of the study also show that the number of antibodies produced by the human body will be significantly increased (5-10 times or even higher) with the booster vaccination of New Crown vaccine, which can provide some protection against mutated strains. If conditions permit, active vaccination booster shots are recommended to strengthen the ability to fight against the New Coronavirus. In principle, the booster vaccination with the new crown vaccine should be the same as the previous vaccination. After receiving the booster vaccination, the patient should be observed in the observation area for 30 minutes and should leave only if there is no discomfort. After receiving the vaccine, pay attention to the dryness and cleanliness of the vaccination site, avoid rubbing and getting wet to prevent infection, and pay attention to rest to avoid discomfort from strenuous exercise.