Cranial repair surgery is an old and young procedure. It is old because thousands of years ago, there was a prototype of cranial bone repair surgery in our human history; and it is young because it is ever new and still plays an important medical role today, and the technology continues to progress and improve, and the repair material continues to be revolutionized and upgraded, which has brought a rebirth to countless patients with cranial bone defects. There are many patients with cranial defects all over the country due to various reasons, and most of the local hospitals use titanium mesh for cranial repair, but this metal material still has some defects and shortcomings, which may not be ideal for repairing the effect, and may cause rejection, infection, scalp breakage, and exposure of the material after the operation, etc. Therefore, the use of titanium mesh is not recommended now. Therefore, the use of titanium mesh material for cranial bone repair is not very recommended now. Patients can look for better materials for cranial bone repair. Many patients with cranial bone defects ask which hospitals can do peek cranial bone repair surgery? At present there is a new type of polyether ether ketone PEEK material, the performance is very excellent, and gradually become the new trend of cranial bone repair materials. Polyether ether ketone PEEK is a special polymer material, its properties are very close to the human autologous skull, placed into the human body without any adverse reactions, strong protection, high comfort. Currently a little medical common sense patients, will choose PEEK material to repair the skull. As far as the current clinical cases are concerned, there has not been a single case of suspected complications. Although we can not say for sure that PEEK material is perfect, but on the current medical means and clinical application analysis, PEEK is the choice of cranial bone repair surgery.