Esophagitis back pain is mainly caused by reflux irritation of the esophagus causing chest pain, which can radiate to the back in severe cases. Gastroesophageal reflux disease (GERD) is a gastroesophageal dyskinetic disorder characterized by dysfunction of the lower esophageal sphincter, with heartburn and reflux as the most common and typical symptoms. Gastric contents including gastric acid, bile, food, etc. reflux into the esophagus, the esophageal mucosa is stimulated by congestion and edema, and in severe cases, it can be eroded and ulcerated, which, in addition to causing retrosternal pain, can also be radiated to the back, shoulder and neck, sometimes resembling angina pectoris, which is a kind of involved pain. When esophagitis back pain occurs, it is recommended to go to the hospital in time and standardized treatment, so as not to delay the condition.