AIM:To evaluate the long-term efficacy in eyes that had been treated with rotation conjunctival flap for pterygium by the postoperative follow-up, and to explore the incidence and causes of recurrence.METHODS:Totally 66 cases (71 eyes) of pterygium which had been operated by this way were followed up for an average of 3.85 years, observed the situation of out of shape filling with the cornea and conjunctival blood vessels of the eyes after surgery, the congestion situation in the location of the canthus wrinkles fold as well as eye movements to determine the effect of surgery.RESULTS:During the follow-up of 14 months to 9 years, 58 eyes were cured, 12 eyes were basically cured, 1 eye recurred, surgical recurrence rate was 1.4%.CONCLUSION:Rotation conjunctival flap can effectively prevent the recurrence of pterygium, which is an ideal method and can be widely used in clinic. 