患者，男，３２岁，１年前因车祸致骨盆骨折尿道断裂，后行膀胱造口，尿道修补术，术后尿道狭窄，自行尿道扩张。近半月患者左侧肛门旁出现皮肤隆起，红肿热痛，面积约５ｃｍ × ５ｃｍ大小，有波动感，压痛明显，经抗炎治疗效果不佳，直肠指检及肛镜均未见肛窦病变。于腰俞穴 The patient, male, 32 years old, had pelvic fractures of the urethra ruptured by a car accident a year earlier and was followed by a stoma for the bladder, urethral repair, postoperative urethral stricture, and his own urethral dilatation. Nearly half of patients on the left side of the left side of the skin appears skin uplift, swelling and heat pain, an area of ​​about 5cm × 5cm size, a sense of volatility, tenderness significantly, the anti-inflammatory treatment ineffective, rectal examination and analoscopy were anal sinus disease were not seen. In the waist shu points