Acute closed craniocerebral injury is considered to be what injury, this can not be generalized, mainly depends on the severity of craniocerebral injury. 1. Mild craniocerebral injury: the patient’s consciousness is clear, the performance of headache, dizziness, nausea and vomiting, after active treatment, about 2~3 weeks, the patient’s symptoms are reduced, and the condition of the patient recovers in about 1 month. 2. Heavy craniocerebral injury: patients have consciousness disorder, drowsiness, or even coma, double pupil dilatation and fixation, need emergency craniotomy to remove intracerebral hematoma and decompression surgery, postoperative enhancement of dehydration to reduce intracranial pressure, you can use mannitol, furosemide and other medications, to save the patient’s life. Acute craniocerebral injury patients, need to go to the hospital in a timely manner, check the cranial CT, to see the severity of craniocerebral injury, and actively cooperate with the doctor’s treatment, do not be negligent, so as not to delay the condition.