我们自 1995～ 1999年采用一次切开药捻式置管引流法治疗肛周脓肿 2 6例 ,疗效满意 ,现报告如下。1　临床资料本组 2 6例中 ,男 2 1例 ,女 5例 ;年龄最大 57岁 ,最小 2 2岁 ,平均 36 9岁 ;病程 3～ 2 1ｄ ,平均 5ｄ。提肛肌下方脓肿 19例 ,均为坐骨直肠间隙脓肿 ;提肛肌上方脓? We from 1995 to 1999 using a cut drug twist tube drainage treatment of perianal abscess 26 patients with satisfactory results, are as follows. 1 Clinical data The group of 26 cases, 21 males and 5 females; the oldest 57 years old, the youngest 22 years, mean 369 years; duration of 3 ~ 21d, an average of 5d. Twenty-nine cases were referred for abscess under the levator ani muscle, all were ischial rectum abscess;