What can be taken out of the internal fixation, under the premise of fracture healing 1, children because of growth and development, it is recommended to take out the internal fixation; 2, the internal fixation stimulates significant discomfort. It is recommended to remove the internal fixation; 3. Superficial position, easy contact with the outside world, it is recommended to remove the internal fixation; 4. Affect the joint movement, for example, the lower tibiofibular joint screw fixation; 5. Stress masking caused by internal fixation, bone resorption, possible fracture 6. Special occupations, such as athletes, etc. Not recommended to remove the internal fixation: 1, pelvic fracture, acetabular fracture internal fixation 2, spinal internal fixation, especially the anterior fixation of the internal fixation 3, important vascular nerve around the fracture after internal fixation, for example: lower humeral fracture plate screw internal fixation, the upper radius fracture internal fixation, the upper end of the fibula fracture internal fixation, because of scar growth around the surgical incision, anatomical variation, secondary surgery It is easy to cause vascular and nerve injury.