There are many factors for cranial defects to occur, generally more common are trauma and surgery. After skull defect, it will lead to direct contact between dura and skin, which makes the local collapse or bulge, easy to be squeezed, collision and other cranio-cerebral injury, bringing inconvenience to patients’ life and work. Cranial bone repair is done by a special medical material to repair the defective bone window to prevent the damage to brain tissue caused by local external force. Mature skull repair technology can recreate a complete and beautiful skull shape for patients with skull defects, rebuild a closed and stable cranial cavity environment, improve a series of adverse symptoms caused by skull defects, and enable patients to recover their health as soon as possible. Skull defect repair time Generally around 3 months is the ideal time for skull repair. peek skull repair plastic surgery is a relatively advanced and mature technology, peek bone plate is customized according to 3D, which can be precisely anastomosed with the bone window site and has a low rate of postoperative rejection infection. At the same time, because of the addition of plastic concept, the whole effect of the operation becomes more and more outstanding, especially in subcutaneous freeing, flap transfer, myofascial flap with tip transfer, brow arch shaping, etc. The effect is obvious to all. The benefits of post-operative cranial defect repair After cranial repair, on the one hand, it increases the patient’s inner sense of security, so that the patient does not have to worry too much about re-injury; on the other hand, it improves the appearance, so that the patient has a confident smile and a full passion to treat every day.