There is no most effective way to treat gastritis. Gastritis mainly includes acute gastritis and chronic gastritis, which need to be treated according to different causes, including medication such as Esomeprazole, Bismuth Potassium Citrate, Clarithromycin and so on, intravenous rehydration therapy, paying attention to the diet and so on. 1. Acute gastritis: Treatment of acute gastritis generally requires emergency treatment. If severe abdominal pain occurs, pain relieving medications such as atropine can be given under the guidance of a doctor. If there are water and electrolyte disorders, patients need to be treated with intravenous rehydration, but if complicated by gastric perforation, patients need timely surgical treatment such as perforation suturing to treat the disease. 2. Chronic gastritis: Chronic gastritis can be treated with Esomeprazole, Bismuth Potassium Citrate, Clarithromycin and other drugs according to the condition. You also need to pay extra attention to dietary modification, daily diet needs to eat small meals, avoid over-excitement or overfilling, eat more light, easy to digest food. The above drugs need to be used in accordance with the doctor’s instructions, do not blindly self-medication, to avoid the adverse effects of drugs. If gastritis occurs, you need to go to the regular hospital in time, with the help of the doctor’s standardized treatment.