Esophageal mound-like elevation may suffer from esophageal tumor, esophageal polyp, esophagitis and other diseases. 1. Esophageal tumor: Esophageal tumor is usually caused by dietary habits, heredity, etc. Patients usually have no obvious symptoms in the early stage, and most of them will have foreign body sensation, choking, stagnation and other abnormalities when swallowing food, and with the development of the disease, the patients will have difficulty in swallowing, vomiting, wasting and other symptoms. 2. Esophageal polyps: Esophageal polyps are generally associated with chronic inflammation, the disease is relatively rare, and there are usually no obvious clinical symptoms. When the tumor increases in size, the patient will have difficulty in swallowing, and when an ulcer is formed on the surface of the polyp, the patient may also vomit blood, black stools, and some of the patients may also have symptoms such as coughing, asthma, and dyspnea. 3. Esophagitis: Esophagitis is mostly caused by long-term smoking, drug stimulation, increased abdominal pressure, etc. Patients will experience symptoms such as gagging pain, chest pain, dysphagia, acid reflux, asthma, etc. Some patients will also experience vomiting, abdominal pain, belching (hiccups), abdominal distension, etc. Esophageal mound elevation may also be caused by extra-esophageal diseases protruding into the lumen of the esophagus, which should be determined by further examination in the hospital, and then treated under the guidance of the doctor after confirmation of the diagnosis.