Pain in the bones of the back is mainly due to the following reasons. In the first case, the pain is caused by a localized trauma, resulting in a fracture. In the second case, the pain in the back bone may be triggered by ankylosing spondylitis. In the third case, the pain may be triggered by a strain on the soft tissues or muscles of the back in daily life, resulting in fasciitis of the back. In the fourth case, the pain may be caused by local malignant or tumor diseases. If you are experiencing back pain, it is recommended that you go to the hospital in a timely manner to find out which cause is responsible for the pain, and then give targeted treatment, such as conservative treatment measures or surgical treatment measures.