The skull has an important role to play in protecting our brain tissue from the outside world, and only then can the intracranial environment be stabilized and function properly. However, there are many risk factors in our daily life that we cannot foresee, such as falling objects or traffic accidents, which can lead to cranial defects, which is a very bad situation. Cranial defects are very harmful and may even be life-threatening After a cranial defect, the defective area will collapse or bulge out, with obvious swelling and pain, and the whole skull will not look so beautiful. Moreover, a skull defect can lead to extremely unstable intracranial pressure, which can lead to a variety of problems and may even be life-threatening. As a result, cranial bone repair surgery should not be overlooked. Cranial repair materials are very important Since the development of medicine, cranial repair surgery has been a relatively routine surgery, and the technology has been very mature. In order to get a better repair effect, the choice of the material used by the surgeon plays a very important role. Which material is good for repairing the skull after cranial defect? Cranial bone repair materials traditionally include bone cement and plexiglass, but these materials have too many defects and have long been eliminated. Nowadays, most hospitals use titanium mesh, which is somewhat progressive compared to the previous materials, but still has many disadvantages and shortcomings of its own. For example, after the operation, patients will have obvious rejection reaction, easy to infection; after the operation is easy to titanium mesh exposed problem, but also need to repair again; there is the use of titanium mesh repair skull will affect the postoperative ct MRI examination and so on. Therefore, in order to repair once in place, or should choose a more advanced and effective material, peek material is currently the preferred material to do skull repair surgery. Unique PEEK Cranial Repair Plastic Surgery peek material is very good to avoid the shortcomings of titanium mesh and other materials, it is excellent in all the properties, comparable to the autologous cranial bone, postoperative worry. peek material originated from foreign countries, and at present in the country, we are the earlier extensive use of this material. Our traumatic cerebrovascular disease neurosurgery team adopts peek material, constantly innovates the technology, and creates the unique PEEK cranioplasty, our team has 4 technical innovations, optimizes the design of the PEEK material, improves and upgrades the surgical technology, and introduces the concept of cosmetic plastic surgery, which has successfully repaired the cranial bones and restored the beauty of a lot of patients, and the effect is extremely good and trustworthy.