The two groups were both treated with regular rehabilitation training of bladder function and injection of 200 IU ( 4 ml ) BTX-A through perineum external urethral sphincter ; the group A was additionally treated with EA at Zhongji ( CV 3 ) , Guanyuan ( CV 4 ) , Shenshu ( 3BL 23 ) , Huiyang ( BL 35 ) and Baliao ( Shangliao ( BL 31 ) , Ciliao ( BL 32 ) , Zhongliao ( BL 33 ) , Xialiao ( BL 34 ) ) , once a day , 40 min per treatment .