Thoracic spondylolisthesis is a disorder in which the thoracic spondylolisthesis changes its original position due to external forces and is not able to reset itself, resulting in pain and limited function. Thoracic spondylolisthesis is one of the posterior spinal joint disorders of the body. It is usually composed of three groups of joints: the transverse process joint, the endosteal tuberosity joint, and the posterior thoracic spine joint. The small joints of the thoracic spine are also involved in the composition of the thorax and have their own characteristics. Disorders of the small joints of the thoracic spine are usually caused by acute trauma, chronic strain, etc. If the body has a clear history of trauma, or if it is twisted or impacted, the posterior thoracic joints can easily become lateralized, which can lead to compression of the synovial membrane, ligaments and nerves, thus causing muscle spasm. If the body maintains a poor posture for a long time to work or study, it is also easy to cause the posterior thoracic joint to become misaligned. If the body does not receive timely treatment when it is traumatized, the internal and external balance of the small joints of the thoracic spine will be out of balance after a long time, and the joints will also be prone to misalignment. In summary, thoracic spine joint disorder is a condition that causes misalignment of the posterior thoracic spine joint due to a number of factors.