Cranial repair is a common procedure in neurosurgery. Many patients require removal of the skull during the initial surgery for reasons such as intracranial hypertension, thus leaving a cranial defect. After the disease stabilizes (usually 2 months after the initial surgery), it is necessary to come back to the hospital for cranial repair to restore the integrity of the cranial cavity and to avoid direct external brain damage. Post-operative instructions: After 6 hours of lying flat on your back, you can rest on pillows, keep the room quiet and reduce visits to facilitate rest and reduce the chance of infection. Fasting and water fasting until the next morning after the doctor checked the room and said that it is possible to eat, eating should be transitioned from liquid to general food, try to avoid spicy and stimulating and too greasy food. The first line is heart rate, the normal value is 60 to 100, the second line is blood pressure, the normal value of upper pressure is 90 to 140, the normal value of lower pressure is 60 to 90, the third line is oxygen saturation (reflecting whether the patient is hypoxic), the normal value is 95 to 100, the fourth line is respiration, the normal value is 12 to 20, each patient also has individual differences, if there are abnormalities, please notify the nurse, please Do not adjust the monitor interface and lead wires by yourself. Wake up the patient every hour to make sure the patient is conscious. If the patient changes from conscious to unconscious, please inform the nurse immediately. Keep the wound dressing dry and notify the physician if there is any exudation. Observe the patient for the occurrence of epilepsy. If there is sudden jerking of a limb or general convulsion and loss of consciousness, please inform the nurse immediately. Discharge instructions: Psychological guidance: maintain stable emotions, avoid emotional excitement, overcome uneasiness, fear, anger, apprehension and other adverse emotions to facilitate disease recovery. Diet: Eat more vegetables and fruits, do not drink coffee or strong tea, avoid spicy and stimulating food, arrange work and rest time reasonably, and develop good living habits to promote the growth and healing of the incision. Do not scratch the skin of the repaired area to prevent infection, avoid strenuous exercise, and avoid external impact on the repaired skull area. The patient should be instructed to carry out reasonable functional exercises and encouraged to do what he/she can to reflect his/her value. Patients with epilepsy should take antiepileptic drugs regularly and should not go out alone, ascend to heights, swim, etc. to prevent accidents. Regular outpatient follow up, if there is a foreign body reaction and other special circumstances at any time to consult.