Alcohol can be consumed 1 to 2 weeks after hepatitis B vaccination. In order to avoid the damage to health caused by drinking alcohol after hepatitis B vaccination, alcohol can be consumed 1 to 2 weeks after hepatitis B vaccination. On the one hand, it reduces the risk of adverse reactions to the vaccine, and on the other hand, it creates a favorable environment for the production of antibodies in the body. After vaccination against hepatitis B, the human body may have fever, fatigue and injection local redness, swelling, pain and other adverse reactions. Drinking alcohol at this time will increase the risk of adverse reactions. Secondly, after hepatitis B vaccination, the rate of antibody production is positively related to the immunity of the human body, and excessive or inappropriate alcohol consumption will reduce the immunity of the body and affect the rate of antibody production. Therefore, it is not recommended to drink alcohol before the hepatitis B vaccine is completely effective, and it is better to choose to drink alcohol 1 to 2 weeks after vaccination. Besides, it is recommended to avoid excessive exercise, smoking and other activities that affect immunity during this period, and it is suitable to have reasonable rest and keep a good mood.