·AIM:To observe surgery results of the head dilaceration combined with amniotic membrane transplantation in the treatment of pterygium,and evaluate the best primary pterygium surgical method and surgical technique to reduce the relapse rate.·METHODS:Primary pterygium in 30 eyes of 20 cases were treated from January 2008 to August 2009.The surgery was to tear the head of pterygium with amniotic membrane transplantation.Postoperative corneal wound healing time and recurrence rate were observed.·RESULTS:Of postoperative follow-up 2 months to 18 months,mean follow-up time was 6 months,28 eyes were cured,the cure rate was 93%;2 eyes recurred,the recurrence rate was 7%.The average repair time of corneal wound was 2-3 days.22 of the 30 eyes had visual acuity improved in different degrees.Cosmetic effect:The patient was difficult to find signs of pterygium surgery under a slit lamp microscope.·CONCLUSION:Head dilaceration combined with amniotic mem-brane transplantation in the treatment of primary pterygium has quick recovery,low relapse rate and good cosmetic effect.·