Stage A2 gastric sinus ulcers are more serious. According to endoscopic staging, gastric sinus ulcers mainly include the active stage (stage A1 and stage A2), the healing stage (categorized into stage H1 and stage H2), and the scarring stage (categorized into stage S1 and stage S2). If the ulcer progresses to stage A2, endoscopy reveals yellowish-white moss at the base of the ulcer, congestion and edema in the vicinity of the lesion, and a concentration of folds toward the ulcer. Stage A2 sinus ulcers indicate that the ulcer has a tendency to heal and is a stage in the development of the ulcer. It is a stage in the development of the ulcer and carries a high risk of bleeding, making it a serious condition that requires active treatment. In clinical practice, drugs that protect the gastric mucosa and inhibit gastric acid, such as rabeprazole and omeprazole, are usually chosen. Therefore, one should maintain a balanced diet, avoid overeating, and abstain from smoking and drinking. Gastric sinus ulcer A2 patients, it is recommended to go to a regular hospital, under the guidance of the doctor for targeted treatment, regular gastroscopy review.