Herniated lumbar disc compression nerve line nerve block, not cut off the nerve, nerve block harm may have nerve damage caused by numbness, muscle atrophy, walking difficulties and urinary and fecal disorders and so on. Herniated disc nerve block is both a diagnostic and therapeutic method, is through the lumbar intervertebral disc special puncture needle, through the lumbar intervertebral disc herniation site or nerve compression site, through the injection of drugs, to achieve the purpose of relieving local inflammation, inhibit pain. If the herniated lumbar disc presses on the nerve and nerve block is performed, nerve damage may occur. Nerve damage affects the skin, muscle sensation and motor function it innervates, and numbness, muscle atrophy, and in severe cases, urinary and fecal dysfunction, as well as difficulty in walking, may occur. Herniated lumbar disc compressed nerve nerve block surgery is generally safer, if the surgery appears to be uncomfortable, should promptly go to the regular hospital, the doctor according to the specific conditions of the judgment of the cause, for the cause of the correct treatment in a timely manner.