After the second vaccination, there may be some adverse reactions to the vaccine, and generally you need to stay in the hospital for 30 minutes after the vaccination before leaving. After leaving the hospital and going home, you should also continue to observe whether you have any serious discomfort, and if it happens, go to the hospital for treatment in time. 1. stay in the hospital for observation: after the second vaccination, you need to stay in the hospital observation room and wait for 30 minutes, and the swabs for stopping bleeding of wounds need to be thrown into the yellow medical garbage can to avoid causing nosocomial infection, and pay attention to the occurrence of any serious allergies and adverse reactions so as to respond in time. 2. The body needs to rest properly, avoid excessive physical and mental activities, and ensure sufficient sleep; 3, drink more water: after the second vaccination, you should drink more water to speed up the metabolism of the body, which can accelerate the disappearance of adverse reactions; 4, light diet: after vaccination, you should pay attention to a light diet and avoid Avoid eating seafood, beef and mutton and other hairy products, and do not drink alcohol, strong tea, coffee and other beverages to reduce the body’s discomfort; 5, avoid touching water to the wound: vaccination will cause tiny wounds, and contact with water at this time can easily lead to wound infection.