随着肛肠动力学研究的深入，目前医学界把便秘分为两类：一类为出口梗阻型便秘，另一类则为慢传输型便秘。出口梗阻型便秘多与盆底疾病有关，如直肠阴道隔前突、盆底痉挛综合征等。这类疾病通过排粪造影即可明确诊断。而慢传输型便秘多为肠传输功能降低，粪便在肠道内停留时间 With the deepening of anorectal kinetics, the current medical community to constipation is divided into two categories: one for the export obstruction constipation, the other is slow-transit constipation. Constipation and more export obstruction associated with pelvic floor disease, such as the rectovaginal rectocele, pelvic floor spasm syndrome. Such diseases can be definitively diagnosed by defecography. Slow-transit constipation and more for the lower intestinal transport function, stool in the intestine residence time