The incidence of thoracic vertebral deformity is relatively low, and the main causes are generally the following two: 1, thoracic vertebral deformity due to congenital developmental abnormalities, when the fetus in utero development, vertebral development, if delayed or interrupted for some reason, will lead to obvious deformity of the vertebral body after birth, which will cause scoliosis or hunchback deformity. 2, vertebral deformity may also be due to The thoracic vertebrae fracture and dislocation, when the thoracic vertebrae in a more violent injury, may cause the vertebrae fracture or dislocation, will lead to the production of vertebral deformity.