Chronic atrophic gastritis with erosion and duodenal bulbitis are inflammatory diseases that occur in the stomach and intestines, and the main treatment modalities are general treatment and drug treatment. 1. Treatment of chronic atrophic gastritis with erosion: usually pay attention to eating chewing and swallowing slowly, reduce the stimulation of the stomach, avoid spicy, cold, strong tea, coffee and other stimulating foods, quit smoking and drinking. Drugs can use omeprazole and other proton pump inhibitors to inhibit excessive secretion of gastric acid, clarithromycin and other antibiotics to treat Helicobacter pylori infection, bismuth potassium citrate and other bismuth agents to protect the gastric mucosa. 2. Treatment of duodenal bulbitis: avoid stimulating and rough food, eat more fresh food, pay attention to dietary hygiene, avoid excessive psychological burden. Drugs can use omeprazole and other proton pump inhibitors to inhibit excessive secretion of gastric acid, antibiotics such as clarithromycin to treat Helicobacter pylori infection, bismuth potassium citrate and other bismuth agents to protect the gastric mucosa. It is recommended that patients with chronic atrophic gastritis with erosion and duodenal bulbous gastritis go to regular hospitals in time to improve the relevant examinations and standardize the treatment under the guidance of doctors.