Objective To observe the effect of self-made herbal fumigation combined with change dressing on incision healing after surgery of mixed hemorrhoid(MH). Methods This study consisted of 256patients underwent surgery for MH, who were equally randomized to treatment group and control group.The patients in the treatment group received herbal fumigation plus local change dressing for the incisions,once a day;those in the control group received sitz bath with 250g/L magnesium sulfate plus change dressing,once a da...