The skull is the hardest bone in the human body and one of the most important bones. The role of the skull in the human body is significant because it is the direct protective barrier of the human brain, protecting the brain tissue and intracranial organs from external damage, while maintaining a normal and stable intracranial environment to ensure the operation of intracranial life activities. However, the skull is always facing the threat and injury from various external risk factors, and many people have skull defects due to one reason or another, resulting in cranial collapse, which is extremely unattractive and can also cause many neurological impairments. Is it necessary to repair a skull defect? What will happen if not repaired? If a skull defect is not repaired, it can cause secondary injuries after strenuous activities, falls and collisions. Because the skull is actually an important protective layer on the surface of human brain, usually the skull is hard, if the loose scalp is left after skull defect, the patient may have bleeding in the cerebral cortex after contacting with the outside world or even being punched, so the direct harm is that the patient cannot resist various external blows. In case of young and strong patients, who themselves have high requirements for quality of life or have certain social activities, in principle, the defective skull needs to be repaired. How long does it take to recover after skull repair? The recovery time after skull repair is determined by the severity of the patient’s own condition. If the patient’s limbs, sensory and intellectual activities are normal except for the cranial defect, cranial defect repair is a minor surgery in this case. After the defect is repaired, the patient’s appearance is normal and other functions are not affected. If the patient has sequelae, such as more serious limb movement disorder or sensory disorder, there will be no big difference from the previous state after the repair. Warm tip: After skull defect, you must go to a regular hospital as soon as possible to repair the defective skull as soon as the surgical conditions are met.