Thoracic spondylitis is a common disease in daily life, mostly due to the following causes: first, due to septic bacteria, which then leads to septic infection, and induces the occurrence of local pain and swelling as well as generalized fever, loss of appetite and other symptoms. Second, due to thoracic spine lesions, such as thoracic expansion has changed, can cause this inflammation. Third, due to ankylosing spondylitis, the early stage mostly involves the sacroiliac joint, resulting in degenerative changes of the sacroiliac joint, which then causes local pain. In the late stage, it will gradually involve the thoracic spine and cause inflammation of the thoracic spine. Fourth, due to poor living habits in daily life or excessive strain, local wind and cold stimulation of sterile inflammation, caused by thoracic spondylitis.