耻骨直肠肌综合征合并直肠内脱所致便秘是个复杂的病理变化过程。近年来 ,临床发病率呈逐年增多的趋势 ,也越来越引起国内外肛肠外科学者的重视。若单纯采取保守疗法 ,靠服用缓泻药物 ,往往疗效欠佳 ;而采用手术治疗 ,目前多数学者仍用常规的经尾骶下切口作耻骨直肠肌松解术 ,? Symptomatic puborectalis syndrome associated with rectal constipation is a complex pathological process. In recent years, the clinical incidence rate showed an increasing trend year by year, but also increasingly attracted the attention of anorectal surgery at home and abroad. If only to take conservative treatment, relying on taking laxative drugs, often ineffective; and surgical treatment, the current majority of scholars still use the conventional transsacal incision for puborectalis muscle release surgery?