The skull is an important protective barrier on the periphery of the brain, which protects it from external aggression. It is also an important support and safeguard for the intracranial environment, as well as for the organs of the head and face. Therefore, the importance of the skull to the whole organism is self-evident. If a cranial defect occurs, then cranial bone repair should be carried out in a timely manner. Some patients ask what department to consult for cranial bone repair. It should be noted that cranial repair is usually performed by neurosurgery. Cranial repair is a routine surgery in neurosurgery, and the technology is very mature. Cranial bone repair is a surgical operation to repair cranial defects caused by various reasons, its purpose is to rebuild a complete and closed cranial cavity, remodel the stable intracranial environment, and provide an important guarantee for the operation of cerebrospinal fluid circulation, blood circulation, and various neurological functions of the cranium, which is also of great significance to the health of the whole person and the operation of the organism’s life. Therefore, it is still very necessary for patients to undergo cranial bone repair surgery in a timely manner after the occurrence of cranial bone defects. Our team is widely practicing peek cranioplasty, using the very advanced and excellent performance of polyether ether ketone peek material. Moreover, the team constantly improves and innovates the technology, optimizes the design of the material, and innovatively introduces the concept of cosmetic surgery, which can achieve the good effect of anatomical integrity, perfect function, and beautiful appearance, and is widely praised and recognized. Experts suggest that patients with cranial defects should go to regular hospitals in time to take appropriate repair materials, active treatment, and early recovery of health.