Lumbar final caudal spine pain may be caused by lumbar caudal spine trauma, lumbar muscle strain and lumbar intervertebral disc herniation. 1. Lumbar caudal spine trauma: it may be caused by lumbar caudal spine trauma, which is mainly manifested as local soft tissue contusion or lumbar spine fracture, etc., and often leads to obvious local pain. 2. Lumbar muscle strain: patients usually have a long time sedentary, driving, sitting in a poor posture and other habits, the lumbar caudal vertebrae have a long time of compression, resulting in the loss of normal lumbar muscle toughness and triggered by the symptoms of pain and discomfort. 3. Lumbar disc herniation: patients with prolonged lumbar activities and high-intensity exertion, it is easy to cause lumbar disc herniation, lumbar disc herniation compression of the nerves, spinal cord will be manifested in the lumbar last caudal vertebrae of the pain and discomfort, or have numbness. Patients with lumbar tailbone pain, if the rest can not be relieved, it is recommended that patients go to the hospital in a timely manner to identify the cause of the standardized treatment.