The full cost of skull repair surgery, the skull protects the brain tissue in our body and it allows the body’s functions to work properly and efficiently. Once the skull is damaged and defective, the body will experience a variety of undesirable symptoms and signs, which seriously affects the normal activities of the body. Therefore, cranial repair surgery is a must for patients with cranial defects. What kind of material is the safest? Are the most effective materials the most expensive? We all have many of these concerns prior to surgery because it is a matter of caution as it pertains to the patient’s post-surgical recovery and physical well-being. There are many types of materials used nationwide to repair skulls, each with its own advantages and disadvantages, including bone cement, Plexiglas, titanium plates, silicone, autologous bone flaps, and various other types. But when it comes to the most ideal repair material, Polyetheretherketone material deserves the title. It is also known as PEEK material, which can be customized in three dimensions, and can perfectly restore the shape of the original skull to achieve a perfect fit. In addition, this PEEK material is bionic bone, can be highly compatible with the autologous skull, can be complex shaping, excellent mechanical properties, good protective properties, high postoperative comfort, especially for children patients, it can be better adapted to the growth and development of the autologous skull, PEEK material has gradually become the latest trend of cranial bone repair materials. Whether it is expensive or not, it depends on the area of the patient’s skull defect. The larger the area, the more expensive it is. It is understood that PEEk material has enabled more patients with cranial defects to come out of despair and get a new life.