Cranial defects are mostly due to conditions left over from traumatic surgery, and the skull itself is already so damaging to the body that standard cranial repair is very important. Cranial defects can be characterized by dizziness, headaches, and memory loss depending on the extent of the defect. In addition, the defect or collapse affects the aesthetic appearance, and more seriously, without the protection of the skull bone it is easy to injure the brain tissue and endanger the life. Therefore, cranial defects should not only be repaired, but also choose a standard repair method. The standard cranial bone repair material is PEEK material, which is a new type of bionic bone material that can better adapt to the growth and development of autogenous bone. It is customized in three dimensions according to the degree of the patient’s cranial defect, can accurately match the defective area, and is excellent in terms of firmness, stability, and conductivity. Highly recognized by the medical community and professionals, not long ago was interviewed by CCTV, in the CCTV vigorously publicize and promote, PEEK material has been gradually into more cranial defects in the life of patients. However, this new PEEK material is a polymer compound, the production of which is complicated and the surgery requires precise medical technology. Most hospitals are not qualified to perform the procedure because of equipment or technical problems, and not many hospitals are able to perform the procedure at this time. The cost of the surgery is determined by the size of the material, the size of the bone window and the cost of examination and hospitalization.