肛门由于其解剖生理特点 ,且局部细菌种类繁多 ,如何尽快使创面愈合 ,是目前肛门术后治疗中一个十分棘手的问题。肛瘘挂线虽然很好地解决了患者局部切口的引流问题 ,但仍然不能解决患者切口愈合时间长、术后桥型愈合造成复发等缺点。由于患部的特殊性使术后放置药物与固定敷料 Anal as a result of its anatomical and physiological characteristics, and a wide range of local bacteria, how to make the wound healing as soon as possible, is currently an anal postoperative treatment is a very difficult problem. Although the anal fistula hang line well solves the problem of local incision drainage, but still can not solve the patient incision healing for a long time, postoperative bridge-type healing caused by recurrence and other shortcomings. Due to the particularity of the affected part of the postoperative placement of drugs and fixed dressing