Gastritis refers to inflammatory changes in the gastric mucosa, and treatment is mainly based on inhibiting gastric acid secretion and protecting the gastric mucosa. Radicals are drugs that inhibit gastric acid secretion, and drugs that inhibit gastric acid secretion are more effective in treating gastritis, and can be combined with drugs that protect the gastric mucosa when necessary. 1. Drugs that inhibit gastric acid secretion: drugs that inhibit gastric acid secretion include omeprazole, pantoprazole, lansoprazole and osomeprazole, which can reduce gastric acid secretion and alleviate the symptoms of stomach pain. 2. Drugs to protect gastric mucosa: Drugs to protect gastric mucosa include bismuth potassium citrate, aluminum thiosulphate, magnesium aluminum carbonate, etc. These drugs can neutralize gastric acid and relieve the symptoms of stomach pain. These drugs can neutralize stomach acid and protect the gastric mucosa. The above drugs should be used under the guidance of professional physicians. If frequent stomach discomfort occurs, such as flatulence, hidden pain, acid reflux heartburn, indigestion, etc., it is recommended to go to the gastroenterology department of the hospital in time for early treatment.