Craniocerebral injury is divided into closed craniocerebral injury and open craniocerebral injury, which is distinguished from whether the brain contents are connected to the outside world. There may not be much difference between the sequelae of these two types of cranio-cerebral injuries, but there may be heavy injuries, such as long-term coma, as the saying goes, vegetative, such patients bring a heavy burden to the family to society, requiring a lot of human, financial and material resources. There are also hemiplegic patients who have to be in wheelchairs all the time in their later life, and relatively light ones such as hydrocephalus, nerve damage, epilepsy, epilepsy is also a very troublesome complication that affects the work and life of the injured.