Alcohol should not be consumed within 7 days after the third New Crown vaccination. Drinking alcohol after receiving the third dose of New Crown vaccine may lead to aggravation of adverse reactions after vaccination as well as affect the vaccination effect. 1. aggravation of allergic reaction: after vaccination, some people may have redness, swelling, fever, itchy skin and other vaccine reactions, but because of the effect of alcohol, accelerating the blood circulation of the vaccinated person, it will aggravate the adverse reactions of the vaccination. 2. Affect the effect of vaccination: after the third injection of the new crown vaccine, it will stimulate the human immune system to produce an immune response, so as to form antibodies in the body. Drinking alcohol after vaccination may cause the immune system to be unable to produce specific antibodies in a timely manner, affecting the effectiveness of the vaccination. Stay away from alcohol and tobacco after the third vaccination, and be careful to eat a light diet without spicy or stimulating foods. If you have any adverse reactions after vaccination, it is recommended that you go to the hospital as soon as possible to find out the cause of the disease under the guidance of the doctor, and treat the cause to prevent your health from being affected.