Patients with H. pylori infection should avoid the following types of food in their daily diet: 1. Spicy foods, such as chili, curry, onions, etc. Because the upper layer of the stomach wall mucous membrane tissue under the influence of long-term stimulation by H. pylori, will cause destructive damage phenomenon. Patients consuming spicy food will cause stimulating effects on the lesion, thus inducing or aggravating the symptoms of gastric distension and pain, nausea, vomiting, acid reflux, vomiting bitterness, etc. 2, greasy food, such as potato chips, fries, animal offal, etc., the normal function of the stomach will be seriously affected by H. pylori infection. 3, salt-cured food, such as pickled vegetables, salami, salted fish, etc., because salt-cured food contains nitrite components, the absorption of nitrite will also increase after the pathological changes in the stomach, increasing the risk of stomach cancer. 4, raw and cold, high cholesterol, high sugar and other types of food should also The intake should be controlled.