Gastric mucosa thickening is one of the clinical manifestations of “chronic atrophic gastritis” (intestinal, atypical hyperplasia), which is a common gastric disease. The chronic atrophic gastritis is a common gastric disease. Inappropriate diet, long-term addiction to alcohol and tobacco, drug abuse, chronic inflammation of the upper respiratory tract, central nervous system dysfunction, damage to the gastric mucosa, as well as after a major gastrectomy, the gastric secretion of the gastric sinus region removed, resulting in gastric mucosa nutritional disorders, etc., are prone to damage to the gastric mucosa and atrophy, inflammatory changes. Usually, we should pay attention to the following points. 1, should avoid eating too hard too spicy, too salty, too hot, too rough and irritating food. Diet is regulated and regular, regular and quantitative, eat less and more, chew and swallow slowly, so that food is fully mixed with saliva, avoid overeating. Food should be chosen nutritious, easy to digest soft food, eat more food containing vegetable protein, vitamins. 2, should be avoided aspirin, acetaminophen, pau tai pine, indole drugs, tetracycline, erythromycin, prednisone and other drugs, especially in the active period of chronic gastritis. 3, stomach acid deficiency, avoid flushing gastric juice. It is advisable to add vinegar, lemon juice, acidic condiments to the diet, eat less indigestible, flatulent food, and try to drink less after meals and meals. 4, excessive stomach acid should avoid eating food that can stimulate the secretion of gastric acid, such as strong flavor spices, alcohol, acidulants, etc.. 5, avoid smoking and alcohol, smoking, nicotine can stimulate the gastric mucosa caused by increased secretion of gastric acid, the gastric mucosa has a harmful stimulating effect, excessive smoking leads to pyloric sphincter dysfunction, causing bile sweat reflux, so that the gastric mucosa is damaged, and affect the gastric mucosa blood supply and gastric mucosa cell repair and regeneration, so to quit smoking. Alcohol can directly destroy the gastric mucosal barrier.