A booster shot is an additional vaccine booster shot to the form and dose of vaccine used routinely. Drinking alcohol at night after a booster shot is not recommended. Drinking alcohol at night after a booster shot is likely to cause dizziness, nausea, vomiting, and other reactions to alcohol, which may make it difficult to recognize the side effects of the vaccine and lead to misdiagnosis. The side effects of the vaccine, such as pain at the injection site and fatigue, are likely to be exacerbated. In addition, alcohol consumption may induce an immune response, which may reduce the protective antibodies produced by the body. You can wait for one week after vaccination, and if there is no significant discomfort, you can drink alcohol in moderation. If there is significant discomfort after injection, you should immediately rush to the hospital for medical treatment. Normally, you should have a good life pattern and pay attention to reasonable diet arrangement.