The installation cost of surgical steel plate is different from that of steel plate removal. The installation cost of surgical steel plate is more expensive than the removal cost of steel plate. More medical instruments are used to install surgical steel plates, which are expensive. Surgical plate is a medical instrument for internal fixation of fractures. Surgical plate can be used to treat and reconstruct various fractures, such as fractures of long shaft, pelvis and spine. Surgical steel plate is implanted into the fracture site through surgery, which plays a role in fixing and supporting and helps the fracture heal. According to different materials, surgical steel plates can be divided into titanium alloy steel plates and stainless steel plates. Titanium alloy steel plate has good biocompatibility and has no effect on NMR examination.