Eating potato chips in moderation has no effect on the immunization effect of rabies vaccine and does not cause adverse reactions. In general, the dietary contraindications for rabies vaccine are mainly avoiding spicy and stimulating foods, foods that are easy to cause allergies, and foods that are easy to cause central nervous system excitement, which can easily lead to digestive discomfort and can cause some stimulation to the vaccination site, thus affecting the body’s recovery. Snacks such as potato chips, which are not included in the above dietary taboos, can be eaten appropriately and will not adversely affect the effect of the vaccine, nor will they cause any adverse reactions in the body. It should be noted that some people may experience abdominal pain, bloating and other symptoms after rabies vaccination, and it is not recommended to eat too many potato chips, so as not to aggravate the burden on the gastrointestinal tract. Fried foods such as potato chips are not good for your health. It is recommended that you eat a light diet with plenty of fresh fruits and vegetables. There is no direct connection between rabies vaccination and eating potato chips, and eating potato chips will not affect the efficacy of the vaccine, so consult your physician for advice.