Usually, after vaccination, patients are advised to avoid spicy and stimulating diet, mainly because vaccination may cause mild adverse reactions, such as fever, nausea, vomiting, weakness, and redness and pain at the vaccination site, etc. Although they can recover on their own, eating chili peppers can aggravate the above symptoms, generally for the following reasons: 1. Stimulation of the gastrointestinal tract: chili peppers contain capsaicin, and in addition to direct consumption of chili peppers, they are often The chili pepper is made into chili sauce, which contains a variety of additives. The burden of blood circulation can cause or aggravate the adverse reactions of vaccination in patients. In addition to chili peppers, after vaccination, patients should also avoid consuming too much ginger, raw garlic, raw onion and other stimulating seasoning ingredients, as well as seafood, hot pot, spicy hotpot, fried chicken and other greasy and stimulating diets, and avoid smoking, drinking alcohol, drinking strong tea or coffee, etc.