AIM:To compare the effects of two kinds of surgery in pterygium in order to investigate the necessity of conjunctival suture.METHODS:Totally 65 cases (76 eyes) were randomly divided into two groups,one group was treated by mitomycin-C and sutureless method (group MMC,36 eyes),the other group was treated by autologous corneal limbal stem cell transplantation with conjunctival flap(group ALCT,40 eyes).After removal of the pterygium,the time of the surface’s recovery and the relapse rate were compared.RESULTS:There were no statistical difference in the time of the surface’s recovery and relapse rate between the two groups (P>0.05).CONCLUSION:It is concise and has less trauma in sutureless surgery,and can avoid iatrogenic perforation of the sclera,more suitable to those elders and those who have difficulties to walk in the sight rehabilitating engineering.