A 22-year-old unmarried patient complained of “repeatedly tying his penis with rubber bands for more than 3 mo” and was admitted to the andrology ward of the Urology Department of the First Affiliated Hospital of Xinjiang Medical University. Patient’s penis was partial amputated with a residue connection about 1 cm in diameter and leaks urine at the tied shaft. The patient stated he started to tie his penis with rubber bands discontinuously 3 mo ago. The initial binding site is about 2-3 cm proximal to the coronal groove of the penis, which lasted for about one week resulting in a defect of about 1 cm deep in the first stangulation ring so the patient released the tying rubber bands temporarily. One week later, the patient rebind the penis, which worsened her condition. The patient denied any family history of psychiatric illness. No autism-like manifestations were found during a consultation with a psychologist. On genital examination, Partial connections remained in the proximal penis was observed. Postoperative follow-up showed that the penile wound was in good condition, the appearance was satisfactory, patient’s urination and erectile function were recovered. The patient's laboratory test results reveal no notable abnormalities. Color Doppler ultrasonography indicated that bilateral corpus cavernosum and corpus spongiosum were severed near the root of the penis; there is blood flow distribution in part of the cortex of the severed penis; part of the penile fascia at the part of the severed penile fascia is still continuous, and blood flow is seen in the continuous fascia, but no obvious blood flow signal was found in the severed corpus cavernosum and corpus spongiosum. Flexible cystoscopy (): Using a flexible cystoscope to enter the urethra, a circular stenosis can be seen in the urethra about 8 cm away from the external urethral orifice where the flexible cystoscope cannot pass through. Meanwhile, the flexible cystoscope guide light can be seen outside the second strangulation ring.