Disseminated erosion of the gastric sinus is a gastroscopic finding that refers to damage to the superficial layer of the mucosa of the gastric sinus, which is most often considered to be the result of gastritis. If the patient in the gastroscopy, appeared in the gastric sinus scattered erosion situation, refers to the occurrence of the mucosa in the gastric sinus area manifested in scattered erosion. If the patient has this kind of situation, the first thing to consider is that it is caused by gastritis and gastric ulcer. Gastritis is an inflammation of the mucosa in the sinus area caused by various factors. Its causes include Helicobacter pylori infection, duodeno-gastric reflux, poor lifestyle habits, medications, trauma, foreign bodies in the stomach and other factors. Patients with gastric sinusitis may experience epigastric fullness and discomfort, and chronic mid-upper abdominal pain, which can be cyclical, accompanied by belching, diarrhea, constipation, and loss of appetite. Once the patient appears to have scattered erosion of the gastric sinus, it is recommended to take into account their own situation and ask the doctor’s guidance. At the same time, the patient needs to actively cooperate with the doctor to take relevant therapeutic measures, so as not to delay the condition.