下消化道出血为临床常见的症状,一般指十二指肠屈氏韧带以下至直肠肛门的疾病出血,多为鲜血便。其病因复杂,诊断较困难。以往X线钡灌肠和小肠钡餐检查漏诊率达30～60％。近年来,由于纤维结肠镜检查和治疗的开展,使下消化道出血的诊治水平有了显著提高。现就我院近年来经纤结镜检查和治疗的476例下消化道出血资料总结分析,以探讨纤结镜对下消化道出血的诊治 Lower gastrointestinal bleeding is a common clinical symptoms, generally refers to duodenal flexor ligament below the anorectal hemorrhage, mostly bloody stools. The etiology is complex, the diagnosis is more difficult. Previous X-ray barium enema and small intestine barium meal missed diagnosis rate of 30 to 60%. In recent years, due to fiber colonoscopy and treatment carried out, the diagnosis and treatment of lower gastrointestinal bleeding has been significantly improved. Now my hospital in recent years by fibrinoscopy and treatment of 476 cases of lower gastrointestinal bleeding summary analysis to explore the diagnosis and treatment of fibrinoscopy of lower gastrointestinal bleeding