Thoracic internal fixation failure is considered to be related to the loosening or breaking of the internal fixation and the formation of pseudo joints at the implantation, etc. The treatment is mainly a second surgical revision, and the combined pain should be treated with medication for pain relief in time. 1. Loosening or fracture of internal fixation: Repeated activities or strenuous exercise after surgery or infection may cause loosening or fracture of internal fixation, in this case, we should carry out the second revision and debridement in time to restore the physiological curvature of the spine as much as possible, and we should strictly avoid excessive postoperative physical activities so as to avoid the reoccurrence of broken nails and loosening of the internal fixation. 2. Pseudoarthrosis at the implant: internal fixation can promote the fusion of the implant, if the postoperative stress is not on the implant or the amount of implant is small, pseudoarthrosis can be formed, which needs to remove the internal fixation and give bone grafting treatment. Regardless of the cause, if there is a combination of pain, it can be treated with oral ibuprofen, erliximab, and other medications. Thoracic internal fixation failure is also related to other reasons, need to immediately consult a doctor to identify the cause, under the guidance of the doctor standardized treatment, do not blindly use drugs.