Generally, cranial defects up to 3*3cm in size are in need of repair, which usually occurs during the 2-3 month period following debridement and decompression. Regarding repair, almost everyone wants to find a safe and effective cranial repair to get maximum recovery. This is because advanced cranial repair can achieve the efficacy of repair as well as effectively minimize various complications, while traditional cranial repair may cause various postoperative problems, so patients must be careful when choosing a repair. At present, the clinical application of more cranial bone repair surgery has two kinds, one is the traditional titanium mesh cranial bone repair, one is the polyether ether ketone peek cranial bone repair plastic surgery, from the long-term clinical effect feedback, polyether ether ketone peek cranial bone repair plastic surgery is more popular with the public. The reason for this is that there are two main factors, one of which is that this surgery is done with peek as the implant material, and peek is in full compliance with the national YY/T0660-2008 surgical implant industry standards, and all the performances are very excellent, and there will not be any adverse reactions to the patients after the surgery. The titanium mesh skull repair uses titanium alloy as the implant material, which is very prone to the problems of rejection, infection, and exposure of the material after the operation. Second, in the repair method, polyether ether ketone peek cranial bone repair plastic surgery adopts embedded repair, smooth articulation, high comfort, can effectively avoid postoperative abrasion of the skin, material exposure and other problems. Regarding the specific cost of cranial bone repair, it needs to be decided according to the patient’s damaged area, surgical fee, hospitalization fee, etc. In addition, different levels of existing charges are also different. Regarding the medical insurance reimbursement issue also need to further consult the local medical insurance policy in detail.