Spinal cord tethering syndrome is for fibers for surgery and intraoperative electrophysiological monitoring, the degree of the disease is different, the surgical effect is different, can be divided into the following cases: 1, simple end-filament tethering caused by embolism, can achieve the standard of cure, and at the same time can be avoided in the lower limbs of motor, sensory deficits, fecal incontinence, lower limb deformities and other complications; 2, congenital spinal cord and nerve root dysplasia caused by spinal cord embolism, only to improve the symptoms, the It can only improve the symptoms, but not achieve the effect of cure. However, in recent years, with the clinical knowledge of anatomical sites and the improvement of surgical techniques, the postoperative results have been substantially improved.