结肠镜注水进镜法(简称注水结肠镜),是指用注水代替传统结肠镜检查过程中的注气,以达到充盈肠腔、辨认肠管走行的目的。相较于结肠镜注气法,其优势在于提高结肠镜检查成功率、减轻患者腹痛、减少镇静镇痛类药物的使用、提高患者耐受性。文章就注水结肠镜的原理、方法、优势、局限性及应用前景进行综述。 Colonoscopy water injection into the mirror method (referred to as water injection colonoscopy), refers to the injection of water instead of traditional colonoscopy during gas injection, in order to achieve filling the intestine, to identify the purpose of bowel walking. Compared with colonoscopy gas injection, its advantage is to improve the success rate of colonoscopy, reduce abdominal pain, reduce the use of sedatives and analgesics, improve patient tolerance. The article summarizes the principles, methods, advantages, limitations and application prospects of water-jet colonoscopy.