Brain CT need to hang neurology, but neurology is divided into neurology and neurosurgery, need to be combined with the patient’s own clinical history to choose to consult the neurology or neurosurgery, as follows: 1, trauma: hang neurosurgery head CT examination, observation of whether there is a cerebral hemorrhage, cerebral contusion, subarachnoid hemorrhage, skull fracture, and other serious diseases, need to be performed for the trauma, suture; 2, chronic headache or acute cerebrovascular disease: hang neurology head CT examination, observation of whether there is hemorrhage, if there is no consideration of ischemic cerebrovascular disease.