Pterygium is one of the common ocular surface diseases found only in human.The pathogenesis of the disease has different interpretations,the clinical treatment effect is unsatisfactory,relapse rates are high.For decades foreign scholars has done a lot of research in the surgical treatment of the disease in order to achieve smaller surgical injury and lower relapse rate.The traditional surgical method has great damage and high relapse rate.The injury of laser treatment with surgery is small,and this treatment has high security advantages,but its long-term efficacy,the relapse rate and the effects of combin-ing therapy with other methods,such as mitomycin C,amniotic membrane remain to be studied.