Drugs that inhibit gastric acid include proton pump inhibitors and H2 receptor antagonists, such as pantoprazole, lansoprazole, ranitidine and so on. 1. Proton pump inhibitors: proton pump inhibitors can inactivate the H/K-ATPase, so as to achieve the effect of inhibiting gastric acid secretion, commonly used drugs include omeprazole, rabeprazole, pantoprazole and so on. 2.H2 receptor antagonist: it can reduce the secretion of gastric acid by selectively competing with the H2 receptor on the wall cell membrane and inhibiting the release of histamine. Commonly used drugs are cimetidine, ranitidine, famotidine and so on. There are many other drugs to inhibit gastric acid, and it is recommended that patients go to a regular hospital, consult a professional doctor, cooperate with the doctor to complete the relevant examinations, and avoid blindly using drugs.