Objective:To review and investigate the superiority and disadvantage of three operations for severe congenital blepharoptosis.Methods:76 severe congenital blepharoptosis patients(90eyes) undergoing therapy in our hospital were divided in three groups randomly.24 patients(30eyes)underwent frontalis muscle flap suspension operation

28 patients(32eyes)

frontaliss suspension operation with homologous sclera implanted

and the other 24 patients(28eyes)

the same operation with fascia lata implanted.Results:The patients who got the frontalis muscle flap suspension operation achieved more persistent effect.The frontaliss suspension operation with homologous sclera or fascia lata implanted offered better fold of upper eyelid.Conclusion:All of the there operations can correct severe congenital blepharoptosis efficiently.Oculists should choose the available therapy according to the requirement and condition of patients.