Lumbar spine surgery to lie down for three months after the main purpose is to maintain postoperative spinal stability, to promote the recovery of the surgical area, if the fusion of internal fixation, but also to avoid loosening of the internal fixation. After lumbar spine surgery to bed rest, brake for a certain period of time, the bed brake rest is mainly based on the disease and surgical methods decided, not all lumbar spine surgery patients need to lie in bed for three months. For example, minimally invasive procedures such as single-segment laminectomy and laminectomy nucleus pulposus removal can be performed after about 6 weeks of postoperative bed rest. For those with serious lumbar spine injuries or lesions and surgical trauma, three months of bed rest is mainly to promote the recovery of tissues in the surgical area. Such as lumbar vertebral comminuted fracture, severe osteoporosis combined with vertebral compression fracture, for surgical treatment, postoperative bed rest for a long period of time can promote the injury or lesion vertebrae, the surgical area of tissue recovery.