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Background: Retention of urine is a command complication for the postoperative patients who recepte the general or vertebral canal anesthesia.Because the micturition reflex center is temporarily disturbed by the anesthetic , the vegetative nerve system that control the bladder is functional disorder.The urinary bladder sphincter relatively contracts,and the detrusor urinae of bladder relatively relax. rnObjective: To discuss the effect of audio frequency and acupuncture point pressing to treat retention of urine. rnUnit: General Hospital of Shenyang Military Region.