Moderate chronic gastritis of the gastric sinus with mild enterosis is often caused by chronic atrophic gastritis, and Helicobacter pylori infection may also be present. Gastric sinus moderate chronic gastritis with mild enterosis, generally known as gastric sinus enterosis, refers to the mucosal epithelium of the gastric sinus department has undergone intestinal epithelial chemotaxis, which is a manifestation of an abnormal lesion, may be caused by long-term chronic atrophic gastritis, or may be caused by gastric Helicobacter pylori infection. When the epithelial cells of the gastric mucosa are gradually replaced by intestinal epithelial cells, due to the damage of the gastric mucosa and the decline in digestive function, the patient is prone to gastric distention, acid reflux, heartburn, stomach pain, indigestion and other symptoms. When this happens, patients should cooperate with their doctors to seek medical treatment in time.