便秘是临床上常见的消化系统症状之一,各年龄组均可发病,但老年人发病率尤高。所谓便秘是指排便次数减少,每隔2-3天或更长时间排便一次,常伴有排便困难感或无明显便意。便秘可分为急性或慢性二大类。正常情况下,肠内容物经结肠节段性收缩及周期性蠕动,以调节肠内容物的稠度和水 Constipation is one of the common clinical symptoms of digestive system, all age groups can be affected, but the incidence of the elderly is particularly high. The so-called constipation refers to reducing the number of bowel movements, bowel movements once every 2-3 days or longer, often accompanied by difficulty in defecation or no obvious meaning. Constipation can be divided into acute or chronic two categories. Under normal circumstances, intestinal contents of the segmental segmental colon and cyclical peristalsis to adjust the consistency of intestinal contents and water