At present, the condition of cranial defects is gradually increasing. Cranial defects are mainly common after all kinds of traumatic injuries and debridement and decompression surgery, such as accidents, falling objects from height, cranio-cerebral surgery and so on. If the area of cranial defect reaches more than 3*3cm, it is unquestionable to do cranial bone repair surgery, only in this way can we avoid more injuries and complications in time. However, many patients don’t know much about cranial bone repair surgery, such as the materials used for the repair and the full cost of cranial bone repair surgery. Cranial Repair Surgery is a common surgical procedure, the cost of repair surgery is related to the examination fee, hospitalization fee, material fee and operation fee, the purpose of the surgery is to take the repair material to repair the defective area in a good way. Titanium mesh is currently used as a commonly used cranial bone repair material, its price is not high, but there are great defects, postoperative effect is not good, so cranial bone repair also need to choose more advanced repair material. With the progress of modern science and technology, polyether ether ketone peek material has become the ideal choice for cranial bone repair surgery, the price of this material is a little more expensive, but the effect is very superior. At present, very few domestic hospitals in the use of polyether ether ketone peek cranial bone repair material as a cranial bone repair implant material on the basis of the introduction of the concept of plastic surgery at the same time, in the basis of 3D printing, for different patients to develop a personalized peek cranial bone repair and plastic surgery program, in reducing postoperative complications at the same time, to achieve the appearance of repair plastic surgery and cosmetic.