The esophagus is medically known as the esophagus. The main clinical manifestations of esophageal ulcers include pain, dysphagia, acid reflux, vomiting, vomiting blood, chest tightness, belching and so on. 1. Pain: It is one of the most common symptoms of esophageal ulcers. Different parts of the ulcers have different manifestations, such as swallowing pain, retrosternal pain and epigastric pain. It often occurs when eating or drinking, and is aggravated when lying down or bending over. 2. Difficulty in swallowing: it is also a common symptom of esophageal ulcer, which may be related to peri-ulcer inflammatory edema and esophageal spasm. Meanwhile, acid reflux, heartburn, vomiting, vomiting blood, chest tightness, belching can also be seen in esophageal ulcer. At the same time, some accompanying symptoms may also appear. If acid reflux is obvious, it may cause cough, shortness of breath, and foreign body sensation in the pharynx; esophageal ulcer with infection may cause fever and generalized pain. If patients are diagnosed with esophageal ulcer, it is recommended to carry out standardized treatment as soon as possible to reduce the adverse effects of the disease.