The cranium plays a great role in health, and it is important to pay attention to the cranium if it is accidentally allowed to be harmed one day. Because the skull is like a protective shield for the brain, without the protection of the skull, the operation of the intracranial tissues will be affected, which will cause all kinds of bad effects to the organism, and make the patient’s quality of life also greatly reduced. If the cranial defect is not repaired for a long time, the defective part may be partially sunken, which will greatly reduce the appearance of the patient’s image, and the patient’s psychological inferiority complex will occur. Cranial defects will also lead to some physical discomfort, patients will have headaches and dizziness, mood changes, if the second collision, it will also pose a threat to life safety. For patients with cranial defects, it is of great significance to go to the hospital for cranial repair surgery in time, only in this way can the complete and closed cranial cavity environment be restored, so that all intracranial life activities can be stabilized and operated. In neurosurgery, cranial bone repair surgery is a routine surgery, which is a very classic, safe and mature surgery, patients do not need to worry too much. However, the good and bad of the cranial bone repair material is directly affect the postoperative effect, so patients should choose carefully. Domestic good skull bone repair with what material is good? At present, the titanium mesh material is widely used in clinic, which is much more advanced than the early materials, but unfortunately there are some shortcomings, such as there is a certain risk of infection and rejection, and it will affect the postoperative medical examination and so on. We are now applying a new type of polyetheretherketone peek material, which makes up for the various shortcomings of titanium mesh material, its various properties are very excellent, and we have successfully carried out the peek cranial bone repair and plastic surgery, the postoperative effect is more natural and beautiful, is the new trend of cranial bone repair material.