Thoracic spine instability can be caused by bad lifestyle habits, osteophytes, and thoracic disc herniation. Patients can be relieved by changing bad life habits, medication, surgery and other methods. 1. Bad habits: If patients keep a posture for a long time and sit in an incorrect posture, it will cause strain on the thoracic spine, which will lead to the phenomenon of thoracic spine instability. Patients need to change bad habits, appropriate activities to relieve fatigue. At the same time, you can massage to relieve discomfort. 2. Osteomalacia: Thoracic spine instability will be compensatory osteophytes, thoracic spine instability can be lumbar and dorsal muscle functional exercise, enhance spinal stability, serious symptoms require surgical treatment. 3. Thoracic disc herniation: Thoracic disc herniation will make the patient appear the phenomenon of thoracic spine instability. Patients need to avoid bending and lifting heavy objects, change bad habits and exercise moderately. At the same time, surgical treatment can be used to remove compressive factors. When the phenomenon of thoracic spine instability occurs, it is recommended to go to the hospital in time for diagnosis and treatment by professional doctors.