The skull is an important protective barrier for the brain and has an important protective mission. However, many people suffer from cranial defects due to accidents or craniosurgery, which is a great threat to health. If a large defect occurs in the skull, it is indisputable that a skull repair surgery is the only way to avoid causing more damage. Cranial bone repair surgery is a common procedure and in order to ensure the success of the procedure, it is important to choose safe materials, regular hospitals and experienced specialists. Early cranial bone repair surgery uses materials such as artificial bone, plexiglass and titanium mesh, these materials are not high in price, but the key is that each of these materials has certain defects, so that the post-operative effect is not so perfect, so safer and more advanced materials have to be used. At present, peek material is the ideal choice for skull repair surgery, it is a real polymer material, its properties are very similar to the autologous skull, with a high degree of fit and good results. Many patients worry about the cost of skull repair surgery, this is something you do not have to worry about, do skull repair surgery generally includes hospitalization costs, drug costs and surgery costs, and the severity of each patient’s condition is different, the size of the skull defect is also different. It is recommended that patients go to the regular hospital for treatment as soon as possible to recover their health.