The absence of abnormal lumbar vertebral bone quality can only indicate that the vertebral bone quality is not problematic, and does not necessarily indicate that there is no herniation of the lumbar intervertebral disc. Lumbar vertebral bone is not abnormal is an imaging description, X-ray, CT, including nuclear magnetic can be prompted, but only suggests that the vertebral bone does not appear fracture, dislocation, occupying lesions and other abnormalities. The lumbar spine contains bone along with intervertebral discs, intervertebral ligaments, muscle tissues, nerve tissues, dural sacs, etc., which are not mentioned, so it is not possible to determine whether there is a herniated disc. To determine whether a herniated disc exists, a routine lumbar spine CT examination is sufficient. Lumbar spine CT shows the bone quality of the lumbar spine and at the same time clearly shows whether a herniated disc exists, the type of herniation, whether the dural sac is compressed, and whether there is narrowing of the spinal canal. If there is nerve compression or nerve lesions, you can also choose the nuclear magnetic examination, the nuclear magnetic examination of the nerve, ligament and other soft tissues to be clearer than the CT.