Lumbar disc herniation is a relatively common disease, there is no problem with the treatment by baking electricity and physiotherapy. What degree of lumbar disc herniation: First, lumbar disc herniation is divided into limited bulge, protrusion, nucleus pulposus prolapse as well as free, according to the site can be divided into central type protrusion, which can mainly cause cauda equina symptoms. Second, is the lateral protrusion, can cause nerve rootti symptoms. The third is the lateral spinal herniation, which causes symptoms of the nerve root. The lumbar disc herniation will look at the site and degree of occurrence, the clinical symptoms caused, why can bake electricity, because the lumbar disc herniation not only stimulates the dural sac and nerve roots, but also stimulates the surrounding joints, as well as the sinus vertebral nerve, so that the muscles of the lumbar region spasm and cause pain, if only spasm, through physiotherapy, baking electricity and other methods, can make the spasm can be relieved, the pain can be relieved.