Mucosal erosion in the dentate line of the esophagus may be related to excessive gastric acid secretion or infection with Helicobacter pylori, which is usually not serious and can be cured by effective treatment. Erosion of the mucosa of the lower esophagus is usually induced by excessive secretion of gastric acid or infection with Helicobacter pylori, which can induce burning sensation, pain and swelling, excessive secretion of gastric acid, acid reflux and bile reflux symptoms, and it is recommended that patients need to take drugs to inhibit the secretion of gastric acid and to protect the gastric mucosa after diagnosis. Drugs to inhibit gastric acid secretion, such as omeprazole, cimetidine, etc.; drugs to protect the gastric mucosa, such as magnesium aluminum carbonate chewable tablets, teprenone and colloidal bismuth pectin. In addition, the above drugs have certain risks, patients can not take without authorization, need to get the guidance of a specialist.