便秘是临床上的常见症状。顽固性便秘不仅是引起肠道恶性肿瘤的重要因素,也对心脑血管、肝脏功能等构成很大威胁。甘露醇一般用于脑水肿的脱水治疗,以及肠镜检查前和手术前的肠道准备。我们用甘露醇口服做肠道准备中发现对顽固性便秘有很好的效果,我院自2001年5月至2006年12月 Constipation is a common clinical symptom. Intractable constipation is not only an important factor in causing intestinal malignancies, but also a great threat to cardiovascular and cerebrovascular functions. Mannitol is generally used for dehydration of cerebral edema, as well as intestinal preparation before and before colonoscopy. We use mannitol orally for intestinal preparation found refractory constipation has a good effect, our hospital from May 2001 to December 2006