Patients are prone to leg numbness, which is commonly caused by lumbar lesions, lower limb arterial plaque formation and other vascular lesions, as follows: First, lumbar lesions: such as lumbar disc herniation, lumbar spondylolisthesis, lumbar spinal stenosis and other diseases can cause nerve compression, and leg numbness symptoms, and the symptoms will recur, even after conservative treatment, the symptoms can still reappear, and sometimes need to undergo surgery to Second, vascular lesions such as plaque formation in the arteries of the lower extremities: can cause a lack of nerve nutrition in the lower extremities, due to ischemia and hypoxia will cause nerve conduction dysfunction, frequent leg numbness symptoms, the patient rests in bed, the affected limb is elevated, the symptoms will be relieved, and prolonged prostration, insufficient blood supply, will produce serious numbness performance.