目的　评价经尿道非接触式激光对膀胱颈挛缩的治疗效果。　方法　使用国产Q— 90 0 0型前列腺激光治疗系统 (Nd -YAG激光 )和美国尤尼克非接触式 90°侧射光导纤维 ,在电视监视下行 12点及 6点位切开缩窄环。　结果　 39例疗效满意。最大尿流率由 8 6ml/s± 2 4ml/s上升至 16 5ml/s±3 2ml/s(P <0 0 1)。　结论　经尿道非接触式激光治疗膀胱颈挛缩具有疗效可靠、安全、痛苦小、恢复快等优点 Objective To evaluate the therapeutic effect of transurethral non-contact laser on bladder neck contracture. Methods The domestic Q-90 0 prostate laser treatment system (Nd-YAG laser) and the non-contact 90 ° side-entry optical fiber of the United States were used. The narrowing ring was cut down at the 12 o’clock and 6 o’clock position of the TV monitor. 39 cases of satisfactory results. The maximum flow rate increased from 86ml / s ± 24ml / s to 165ml / s ± 32ml / s (P <0.01). Conclusion Transurethral non-contact laser treatment of bladder neck contracture has the advantages of reliable, safe, less painful and faster recovery