Cranial defects are a common problem in our society today, as some people suffer from cranial damage due to accidents, trauma and diseases. Skull defects are a direct threat to life and health as the brain loses its protective barrier. Therefore, in order to recreate the hard protective shell of the brain, skull repair surgery must be done to maintain life and health. Cranial repair after skull defect is a must. Of course, there are many patients who often ask about the price of cranial repair surgery when they do it. As long as the patient’s situation is in line with the medical insurance policy and local regulations, some of the costs can still be reimbursed through the medical insurance, which also greatly reduces the cost of medical treatment. While caring about the cost of skull repair surgery, patients should focus more on the results of the surgery. This involves the choice of materials, the technique of repair surgery and the choice of surgeon, only when these are done well, the surgery can be more successful. Moreover, the choice of surgical materials also directly affects the cost of surgery. The common materials used for skull repair surgery are titanium mesh, bone cement, plexiglass, etc. However, after many clinical verifications, these traditional materials are more harmful than beneficial, so they are slowly not being used anymore. At present, the more popular material is peek material, which is a kind of polymer material, it appears to make up for the various shortcomings of the traditional material. peek material is strong and elastic, high biocompatibility, strong thermal insulation stability, and also can be customized, no post-operative rejection reaction, is the better choice of material for skull repair surgery.