If you have a recent need for the New Crown vaccine, it is recommended that you do not eat spicy foods prior to the New Crown vaccination. A light diet is recommended before and after the vaccination. In addition to spicy foods, cold and greasy foods should be avoided. First of all, if you eat spicy food before the vaccination, the gastrointestinal mucosa may be irritated or provoked and acute gastroenteritis may occur, and you cannot receive the vaccination during the acute gastroenteritis attack. Therefore, in order to avoid delaying the vaccination schedule of New Crown vaccine, it is recommended to abstain from eating spicy food before vaccination. Secondly, eating spicy food after the New Crown vaccination will easily lead to increased pain, redness and swelling in the vaccinated part, which may also aggravate gastrointestinal discomfort and even cause gastrointestinal inflammation, so that the immune function of the body will be affected, which in turn will affect the production of antibodies to the New Crown vaccine and have an impact on the immunity and persistence of the vaccine, and the recovery of gastrointestinal inflammation will be slower. Therefore, it is also important to avoid eating spicy foods after the vaccination. Therefore, it is not recommended to eat spicy food and avoid smoking and drinking alcohol before and after the vaccination. Also, pay attention to rest, avoid strenuous exercise, and pay attention to the dryness and hygiene of the vaccination site.