Patients suffering from H. pylori can not eat more food, mainly the following foods: 1, can not eat too greasy food, such as fatty meat, pork liver, etc., because too greasy food is not easy to digest, will increase the burden on the patient’s stomach and intestines, is not conducive to recovery; 2, can not eat too cold food, such as watermelon, pears, etc., because too cold food will stimulate the patient’s gastrointestinal 3, it is best not to eat barbecue and smoked food, because such food may produce substances harmful to the body, such as nitrite, which may aggravate the gastrointestinal mucosa damage, which is detrimental to the condition; 4, the patient can not eat chili and other spicy food, otherwise it will stimulate the gastrointestinal mucosa, leading to aggravation of the patient’s symptoms.