Frequent belching after meals in esophagitis treatment drugs are acid inhibitors, gastric mucosal protectants, gastrointestinal stimulants and so on. 1. Acid-suppressing drugs: common acid-suppressing drugs are proton pump inhibitors such as omeprazole, beraprazole and other drugs. In addition, there are H2 receptor antagonists such as ranitidine, famotidine and other drugs. 2. Gastric mucosal protective agents: common bismuth such as bismuth citrate, which can form a protective film on the surface of the gastric mucosa to prevent gastric acid corrosion. There are also weak alkaline antacids such as magnesium aluminum carbonate, aluminum hydroxide gel, etc., which can relieve belching symptoms by neutralizing gastric acid. 3. Gastrointestinal stimulants: Domperidone and Mosapride are commonly used to accelerate digestion and prevent food accumulation by promoting gastrointestinal peristalsis. Patients should seek medical advice as soon as possible and complete relevant examinations such as gastroscopy to assess their condition. The above mentioned drugs should be taken under the guidance of professional doctors.