Bad thoracic spine can produce the following clinical symptoms: first, thoracic back pain: fracture of the thoracic spine, small joint disorders of the thoracic spine can cause pain in the thoracic back, and the pain is usually more intense, which can affect the patient’s rest, work, and even inability to participate in sports. Second, the thoracic spine activities are limited: the above lesions in the thoracic spine will affect the activities of the thoracic spine, and the patient will not be able to carry out forward flexion and backward extension of the low back and thoracic back. Third, other: severe thoracic spine lesions may also compress the nerves, causing radioactive pain and numbness in both lower limbs, or muscle weakness in both lower limbs, and in severe cases, there will be weakness in both lower limbs, walking Louis and falling, and even affecting urination and defecation. Therefore, bad thoracic spine must be diagnosed and treated in a timely manner.