病人和方法:从961例因上消化道出血行急诊内窥镜检查的患者选出确诊为活动出血性溃疡者,共68例。这68例随机分为治疗组和对照组,各34例,两组年龄、性别、溃疡部位和出血的严重程度具有可比性。治疗组经内窥镜用可弯针型注射器在溃疡活动性出血灶周围多点穿刺注射1:10000稀释的肾上腺素, Patients and Methods: A total of 68 patients with active hemorrhagic ulcer were selected from 961 patients who underwent emergency endoscopy on upper gastrointestinal bleeding. The 68 patients were randomly divided into treatment group and control group, 34 cases each. The two groups were comparable in age, sex, ulcer site and the severity of bleeding. The treatment group by endoscopic with a flexible needle syringe in the ulcer activity bleeding around the multi-point puncture injection 1: 10000 dilution of epinephrine,