The third dose of vaccine generally refers to the third dose of the new coronavirus vaccine. As far as the available evidence is concerned, the third dose of the vaccine does not have any effect on men’s health. The purpose of the third dose of the new coronavirus vaccine is to increase the titer of antibodies in the body and improve the body’s ability to prevent infection with the new coronavirus pneumonia. After receiving the first and second shots of the new coronavirus vaccine, antibodies will be produced in the body, but the duration of antibodies in the body is limited, after half a year, the level of antibodies in the body will gradually decline, and the ability to prevent the new coronavirus infection will decline, at this time the new coronavirus vaccine booster shot can enhance the ability to fight the virus. At present, there is no evidence that the booster vaccination has any serious impact on human health. For men’s health, whether the vaccine has any impact on reproductive function requires further observation and research. After the third injection of the new coronavirus vaccine, some of the population inoculation local discomfort symptoms, such as local redness, swelling, pain, etc., but also some people will appear fever, rash and other systemic symptoms, these symptoms generally in 2 ~ 3 days will disappear, will not have any impact on health. [Tip] This article refers to the “new coronavirus pneumonia, new coronavirus pneumonia”, etc., has been December 26, 2022, the National Health Commission issued a notice to change the name to “new coronavirus infection”.