RESUMEN
As urine flow dynamic test is widely used in clinical,merge detrusor dysfunction of benign prostatic hyperplasia treatment research also more and more.For normal detrusor contraction force and slight damage (Pdet ＞ 20 cmH2O) of the operative efficacy of BPH patients have reached a consensus of scholars both at home and abroad.For merger severely impaired detrusor contraction force (Pdet 0-20 cmH2O) at odds with the treatment of benign prostatic hyperplasia patients,in combination with related literature,now just urethral catheterization or colostomy,the transurethral resection of the prostate in the same period the bladder again after colostomy,the comprehensive treatment evaluation IⅡ transurethral resection of the prostate surgery and review these main treatment.