To explore the effect of traditional Chinese medicine fumigation-washing therapy for the postoperative complications of external dissection and internal ligation operation of mixed hemorrhoids. Methods:A total of 100 cases that received dissection and internal ligation operation of mixed hemorrhoids from June 2011 to March 2013 in our department were randomly divided into treatment group and control group, each group containing 50 cases. The control group was treated with warm water fumigation-washing, while the treatment group were treated with traditional Chinese medicine fumigation-washing after surgery. The clinical efficacy and the main symptoms disappearing time of two groups were observed. Results: The total effective rate of treatment group was 92.0%, control group 78.0%; the difference was statistically significant (P<0.05). The edema disappearing time, pain disappearing time anal straining disappearing time of the treatment group was earlier than those in the control group, the difference were statistically significant (P<0.05). There was no significant difference in hematochezia disappearing time between two groups (P>0.05). Conclusion: Traditional Chinese medicine fumigation-washing therapy can effectively relieve symptoms such as pain, margin and edema, promote wound healing, and shorten the course of treatment. It is a safe, effective method for postoperative complications of external dissection and internal ligation operation of mixed hemorrhoids.