Patchy congestion of gastric sinus mucosa may be caused by gastric acid hypersecretion, gastric ulcer, gastric sinusitis and so on. 1. Excessive secretion of gastric acid: in the case of patients who like to eat spicy and stimulating food for a long time and are addicted to alcohol, it may lead to excessive secretion of gastric acid. The excessive secretion of gastric acid and pepsin will damage the gastric mucous membrane, which will lead to the phenomenon of flaky congestion of gastric mucous membrane of the gastric sinus. 2. Gastric ulcer: gastric ulcer refers to the gastric mucosa due to inflammation and other reasons led to the defect of the mucosal surface, the formation of ulcer surface, in the stimulation of inflammation, may make the patient’s gastric sinus mucosa appeared flaky congestion phenomenon. 3. Gastric sinusitis: gastric sinusitis is a chronic non-atrophic gastritis lesions involving the sinus, a chronic gastritis occurs, the cause is common in Helicobacter pylori infection. Its gastroscopy can be seen in the gastric sinus mucosa sheet congestion, erosion and so on. When the patient appears the symptoms of gastric sinus mucosa flake congestion, it is recommended to consult a doctor in time to identify the cause of the disease and give the corresponding treatment.