急性上消化道大量出血是常见的急症之一,其治疗常有赖于外科手术;尤其是老年患者,因常伴随心血管和呼吸系统疾病,紧急手术的死亡率颇高。近年来紧急内窥镜检查的开展,使我们能迅速明确出血部位和病因,而且还能在内窥镜直视下对出血病灶采取各种止血措施。通过内窥镜应用激光光凝固止血为一较安全有效的新技术～ Acute upper gastrointestinal bleeding is one of the common emergency, the treatment often depends on surgery; especially elderly patients, often accompanied by cardiovascular and respiratory diseases, emergency surgery, high mortality. In recent years, emergency endoscopy to carry out so that we can quickly identify the location and cause of bleeding, but also under endoscopy under direct vision to take a variety of bleeding lesions to stop bleeding measures. Through the endoscopic application of laser photocoagulation hemostasis as a more safe and effective new technology ~