AIM:To investigate the clinical effect of compound trabeculectomy for glaucoma.METHODS:A total of 39 cases 42 eyes undertook compound trabeculectomy with MMC and adjustable suture line.Intraoculer pressure,the filtering bleb and the depth of anterior chamber were observed.The follow-up period was 3-24 months.RESULTS:The adjustable suture lines of 42 eyes were removed 3-14 days after the surgery.The shallow anterior chamber after operation were observed in 2 eyes.After proper management,shallow anterior chamber returned to normal depth in all cases.CONCLUSION:Compound trabeculectomy can increase the success ratio of the surgery and reduce the incidence of complications.