Duodenal bulbar ulcer and superficial gastritis differ in their site of onset, prevalence, pattern of pain nature, and gastroscopic manifestations. 1. Clinical features. Duodenal bulb ulcer occurs in the duodenal bulb, manifested in hunger pain, that is, abdominal pain in fasting and hunger, mostly at night, mostly in young patients; superficial gastritis lesions in the lesser curvature of the stomach and gastric sinus, manifested in postprandial pain, that is, abdominal pain occurs half an hour or so after eating, mostly in middle-aged and elderly patients. 2. Gastroscopic performance. Gastroscopy superficial gastritis can show gastric mucosa congestion, edema, red and white; duodenal bulb ulcer can be seen duodenal bulb intestinal wall ulcer, with white moss. Patients with gastric discomfort are advised to seek medical examination as soon as possible to make a clear diagnosis, and they should also live a regular life, eat a light diet and exercise properly.