AIM:To observe the efficacy of pingyangmycin injection for treatment of pterygium.·METHODS:Pingyangmycin 8mg was added 8mL saline for later use.Patients were given aierkaiyin drops twice,using a 1mL syringe extracted the liquid 0.1mL with 20g/L lidocaine 0.1mL and dexamethasone 0.1mL which were piercd in the pterygium neck and body from 30° angle,then the conjunctivoplasty was washed using a prepared saline immediately at the end of injection (connected to the infusion) thoroughly.The treatment outcomes were observed and statistically analyzed.·RESULTS:In 74 eyes,47 eyes were cured (64%),26 eyes were effective (35%),1 eye was ineffective (1%).The total effective rate was 99%.·CONCLUSION:Pingyangmycin injection for treatment of pterygium has many advantages,such as economic,safe,effective and simple.So it is suitable for the primary promotion.