Abstract:[Obj ective]To explore the safety and efficacy of transurethral electro-vaporization separate re-section of prostate for the treatment of high-risk benign prostatic hyperplasia(BPH).[Methods]Transurethral electro-vaporization separate resection of prostate was performed in 90 patients with high-risk BPH.[Results]The procedures were operated in 90 patients for one time.Of all patients,86 patients were followed up for 1~3 months.Hematuria and irritation symptoms of bladder were reduced or disappeared,and micturition was good.Five patients with urinary incontinence recovered 2 months after anal raising exercise.Three patients with urethral stricture were cured by urethral expansion.[Conclusion]Transurethral electro-vaporization sep-arate resection of prostate is safe and effective,so it is an effective method of treating high-risk BPH.