Method: In the treatment group, MEBO was applied to the wounds post fistulectomy and in the control group, Bai Duo Bang Ointment was applied.The efficacy of the 2 drugs was compared.

• 方法：运用MEBO外敷治疗瘘管切除术后创面，以百多帮作为对照，观察两组愈合时间与止痛效果。