Low back pain or lying down is good, lying down, the weight of the upper body is no longer pressed on the vertebrae and intervertebral discs, reducing the load on the intervertebral discs, intervertebral disc degeneration, bulging, protrusion, prolapse will be reduced. The chance of degenerative osteophytes also decreases, so the back pain will be relieved. And when standing, the weight of the upper body is all pressed on the lumbar vertebrae, and then pressed on the intervertebral discs through the vertebrae, which creates a certain load on the lumbar vertebrae and intervertebral discs. At the same time, the muscles around the waist in order to maintain a standing position, in a state of tension and spasm, after a long time, will also occur lumbar muscle strain appear lumbago, or lumbago aggravation, so patients with lumbago should lie more and stand less.