Nowadays, the incidence of cranial defects is really high, and many risk factors in life can easily cause cranial defects, such as traffic accidents, falling objects and mechanical injuries. Cranial defects should be alarmed because the skull is a protective shield for the brain, once the skull is damaged it means that the intracranial tissues will be unprotected and then it is really dangerous. The integrity of the skull is really important to human health, so it is important for patients to actively treat and repair skull defects after they occur. Skull repair surgery is not a big operation in neurosurgery and is relatively safe, but it is not easy to make the surgery successful, especially to choose the right repair material so that the post-operative recovery will not be different from normal people and the aesthetics can be greatly improved. At present, many places use more titanium mesh material, which is a lot more advanced than the early materials, but after a lot of clinical practice verification, titanium mesh material also has certain shortcomings, some postoperative complications may occur, plus it is a metal material, but also affect the postoperative medical examination, so it is not the ideal choice. Can peek skull repair material be reimbursed by medical insurance? peek material repair effect is good, but the price may be a little more expensive, so many patients are concerned about reimbursement issues. In fact, although peek material is a relatively expensive medical material, but it has been included in many places within the scope of medical insurance reimbursement, the specific reimbursement ratio can be calculated in conjunction with the local medical insurance policy.