It is better to wait a week after the third vaccination before drinking alcohol. Drinking alcohol may affect the ability to recognize the vaccine and aggravate the adverse reactions after vaccination. 1. Influence the ability to recognize the vaccine: vaccination into the human body will stimulate the body’s immune system, and the production of immune cells is a time-consuming process, if you drink alcohol during this period, it will have an impact on the body’s immune system, which reduces the ability of the immune system to recognize the vaccine, affecting the effect of the vaccination. 2. Aggravate the adverse reaction after vaccination: after drinking alcohol, alcohol enters the blood metabolism and accelerates the blood circulation in the body of the vaccinated person, so it may aggravate the adverse reaction after vaccination. After vaccination, the vaccinated person should avoid drinking alcohol, and at the same time ensure that the diet is as light as possible, do not eat spicy, stimulating food, in order to prevent causing allergic reactions. After vaccination, if there is any other physical discomfort, you should go to the hospital as soon as possible, under the guidance of the doctor to clarify the cause of the disease, and early treatment of the cause, to prevent the expansion of adverse reactions after vaccination.