随着社会人口统计学的变化 ,饮食结构以及社会—心理等因素的影响 ,便秘已成为影响现代人生活质量的重要因素之一。国内戴菲报告[1] ,我国人群总患病率为9 18% ,男性 7 2 8% ,女性 11 0 4% ;美国家庭调查发现 3 %的人有便秘[2 ] 。便秘作为一个症状 ,可由许多原因引起如平滑肌 Constipation has become one of the important factors affecting the quality of life of modern people with the changes of social demography, diet structure and social-psychological factors. The domestic Dofi report [1], China’s total population prevalence was 9 18%, male 7 2 8%, female 114 4%; American family survey found that 3% of people have constipation [2]. Constipation as a symptom can be caused by many causes such as smooth muscle