The skull is an important bone, not only for aesthetic appearance, but also for health. If a person’s skull is sunken, it will not only be unattractive, but also bring some other physical hazards if left untreated for a long time. Without the external protection of the skull, the brain tissues can function and work normally, but without the protection of the skull, danger can happen at any time. Can skull depressions be recovered? It depends on the case and will be treated by a specialized neurosurgeon. In severe cases, it may be necessary to surgically remove part of the bone flap, which leaves a cranial defect that will require a later cranial repair to restore flatness. However, when doing skull repair surgery, the key point is the choice of material, good material can achieve more ideal repair effect. At present, many hospitals are using titanium mesh material for skull repair. Titanium mesh material has made some progress compared with some earlier materials, but there are still some shortcomings and defects, such as possible postoperative rejection, possible infection, affecting postoperative examination, material exposure, etc. Polyetheretherketone PEEK material is used to operate on patients. This is an advanced polymer material that is very stable in all properties and almost comparable to autologous cranial bone. In addition, the team has conducted more in-depth research and exploration, constantly innovating and upgrading technology, introducing the concept of aesthetic plastic surgery, and carrying out comprehensive PEEK cranioplasty to make the repair more natural and beautiful.