Smoking is not recommended after the New Crown Vaccine booster shot. The new coronavirus vaccine booster is a new coronavirus vaccine booster shot that strengthens the body’s resistance and makes its immunity last longer, resulting in better protection. Cigarettes contain a lot of harmful substances. Smoking after a booster shot of the new coronavirus vaccine may affect the body’s immunity, thus affecting the effectiveness of the vaccination. In addition, when receiving the booster shot of the new coronavirus vaccine, symptoms such as redness, swelling, hot pain, itching, or generalized fever, fatigue, nausea, headache, etc., may appear at the site of vaccination, and smoking when adverse reactions occur may aggravate the condition, which will have an impact on the body’s health. When inoculated with the new coronavirus booster shot, should avoid the inoculation site premature water, should not be strenuous exercise, to a light diet, avoid or reduce the consumption of stimulating, spicy, seafood and other foods and need to quit smoking and alcohol, if there is an adverse reaction, should go to the hospital in a timely manner for relevant examinations, timely and targeted treatment.