recurrence of half a year.Results The rate of symptom improvement in D group was significantly better than the other three groups(P <0.05).Over time,there was no statistical difference between four groups.The recurrence rate of D group (0.00%)was obviously lower than A group (11.76%),the B group (2.00%)and the C group (3.85%)(P <0.05).Conclusion Microscope with the traditional Chinese medicine is a good choice in preventing postoperative the rate of symptom and recurrence.