Objective:To investigate the clinical efficacy of acupuncture with cauda equina injury caused by urinary retention combined with nerve injury therapy for the treatment of lumbar disc herniation after operation .Methods:All patients selecting acupoints Guanyuan , Zhongji, yinlingquan, Sanyinjiao with nerve injury treatment instrument (Kang Da)KT-90A, square wave pulse therapy for 20 minutes, once a day R.esults:The residual urine volume , maximum urine flow rate improved significantly compared with before treatment P <0.01, Autonomous Urination rate was 83 .3%.Concl usion:The traditional Chinese medicine and clinical therapeutic effect of acupuncture might have a better clinical effect .