Patients with esophagitis can be treated by drugs that repair gastric mucosa, inhibit gastric acid, and promote gastrointestinal motility, or by oral Chinese medicine. In most patients, esophagitis is caused by food reflux in the stomach, leading to inflammatory changes caused by mucosal damage. During treatment, drugs can be used to protect the gastric mucosa. Common mucosal protectors, such as sucralfate, magnesium aluminocarbonate, bismuth potassium citrate, can prevent gastric acid from damaging the mucosa. Proton pump inhibitors such as omeprazole, rabeprazole, esomeprazole, etc. Drugs that promote gastric motility, such as mosapride and domperidone, can promote food emptying. In addition, radiation esophagitis, infectious esophagitis and corrosive esophagitis can be treated with symptomatic drugs. During the treatment period, we should avoid spicy and stimulating food, eat less and eat more, quit smoking and drinking, and reduce activities that increase intra-abdominal pressure to prevent food reflux.