Cranial repair should be treated according to the cause of the disease not to delay the disease, postoperative care and postoperative surgical response should be according to medical advice. Cranial repair mainly has a protective effect on brain tissue, in addition to restoring the cranial cavity to a dense capacitance cavity and improving the hemodynamics of the defective local brain tissue. In conclusion, cranial repair has a very obvious effect on orthopedic and neurological recovery, and can have a great impact on the patient’s psychology, spirit and recovery. Therefore, cranial repair should be performed as early as possible, and PEEK cranial repair is feasible after 3 months of stabilization. Indications for cranial defect repair: 1. Defects larger than 3*3 cm. 2. Defects affecting the skull appearance. Contraindications: 1, severe heart and lung failure; 2, serious complications after craniotomy, such as vegetative survival; 3, combined wound infection and cerebrospinal fluid leakage after craniotomy. Whether you are eligible for surgery, there is no contraindication to surgery, and the cost is mainly determined by the repair material you choose, currently titanium plate is the main clinical practice. Precautions after cranial repair: 1. Enhance water intake to promote brain tissue reopening. 2.Strengthen drug changes in the incision area to prevent infection. 3.Avoid strenuous weight-bearing activities for a short period of time. 4. Avoid using the masticatory muscle to chew food for a short period of time. 5.Continue to take antiepileptic drugs for patients with epilepsy before surgery. 6, pay attention to the observation of subcutaneous fluid in the repair area, if necessary, suction and pressure bandage. 7.Avoid the use of tawdry scratching of the surgical area and incision. 8.Strengthen high quality protein diet to promote the growth of skin and subcutaneous tissue in the operation area. Cranial repair choose regular hospital can help patients to do a good job of post-operative care, experts will prescribe post-operative care medical advice for patients, can rest assured that the treatment of post-operative recovery also has a certain degree of help.