Patients with gastric sinus erosion can have corresponding clinical manifestations according to the different causes of erosion, such as chronic gastritis caused by gastric sinus erosion can have abdominal pain, nausea, acid reflux and other symptoms. Gastric erosion is a lesion caused by damage to the surface cells of the gastric mucosa. If the gastric sinus erosion caused by chronic gastritis, the patient may have symptoms such as vague pain in the epigastrium, abdominal distension, dry heaving, nausea and acid reflux. If the gastric sinus erosion is caused by acute corrosive gastritis, the patient may have symptoms such as severe pain in the epigastrium and vomiting blood. If gastric cancer causes gastric sinus erosion, patients may have symptoms such as vomiting blood, black stools, abdominal pain, emaciation, and fatigue. To treat gastric sinus erosion, doctors will provide targeted treatment according to the cause of erosion. Patients with symptoms of gastric sinus erosion should go to the hospital, complete the relevant examinations, clarify the cause of the disease, and cooperate with the doctor for active treatment.