Closed craniocerebral injury medium-sized hospitalization may take 2~3 weeks, or may be hospitalized for half a year or even longer, depending on the size of the injury site, whether it causes other complications, the results of imaging tests, and their own conditions. It is analyzed as follows: 1.2~3 weeks: closed craniocerebral injury of the injury site is small, did not lead to irreversible repair of brain tissue, there is no cerebral edema, subdural hematoma and other compression of brain tissue to form a brain hernia, the later review of cranial CT, MRI, and other imaging tests intracranial hemorrhage foci absorbed completely and the brain parenchyma recovered, the patient’s own condition is good, the compensatory capacity is strong, generally need to be hospitalized for 2~3 weeks. 2. Half a year or even longer: craniocerebral injury leads to a larger area of cerebral contusion, the impact of the injury leads to epidural hematoma and brain herniation, the patient has hypertension, diabetes mellitus and other basic diseases, the later review of imaging hematoma absorption is slow, or the existence of a small number of persistent hemorrhagic foci, generally need to stay in the hospital for six months and more, to be discharged when the basic condition is stabilized. There is no specific standard for the hospitalization time of closed craniocerebral injury, it is recommended that patients and their families actively cooperate with the doctor’s treatment plan, pay attention to the diet and related care during the hospitalization to promote the healing of the condition, and do not be impatient, so as not to delay the condition.