The treatment of chronic gastroenteritis: 1. Eliminate the cause of the disease to remove the causative factors, such as quitting smoking, tea and alcohol, to avoid stimulation of the gastric mucosa of the food and drugs; such as gastroscopy found that the obvious bile reflux, can take gastrointestinal and cholestyramine treatment. 2. 2, drug treatment ① lack of gastric acid or low gastric acid can be taken with 1% dilute hydrochloric acid and pepsin combination. Those who have high gastric acid can take aluminum hydroxide gel, gastric shuping and metformin. (iii) Atropine, probenecid and belladonna preparations can be taken when pain attacks occur. ④Antibacterial drugs: Because low gastric acid or lack of gastric acid can often make the bacteria flourish in the stomach, which has a certain relationship with the development of this disease. Antibacterial drugs that are not easily absorbed can be used orally for a short period of time, such as dysentery, gentamicin, streptomycin and so on. ⑤ Chinese patent medicines: Xiangsha Nourishing Stomach Jiu, Chen Xianglu and Monkey Mushroom Fungus Tablet, etc., which are effective in improving the symptoms of abdominal pain, abdominal distension, belching, nausea and vomiting. ③Iron deficiency anemia can be supplemented with iron; those with pernicious anemia can be injected with vitamin B12.