Just woke up legs do not feel, fell down a while and good, first of all, consider lumbar disc herniation compression nerve caused by, generally this also accompanied by low back pain, lower limb pain, numbness, do a lumbar spine CT and lumbar spine MRI can be clearly diagnosed. In mild cases, oral treatment such as methylcobalamin and celecoxib can be given, as well as massage and rehabilitation physiotherapy treatment. In severe cases, surgery is required. When the blood supply to the brain is restored, the activities of the lower limbs can be restored to normal, and a cranial CT can make a clear diagnosis.