Cerebral hemorrhage can be divided into the following types according to the site and severity of hemorrhage: 1. brainstem hemorrhage: the most serious, a small amount of hemorrhage can lead to complete loss of brainstem function, abnormal hemorrhagic breathing and heart rate, and high mortality; 2. basal ganglia hemorrhage: serious, affecting motor, sensory, and visual nerve fibers, with hemiplegia, hemianesthesia, and hemianopic visual field impairment; 3. intraventricular hemorrhage: serious, with spasms, high fever, and delirium, and later hydrocephalus may appear, requiring re-treatment; 4. hemorrhage in the cerebellum: less severe; 5. lobar hemorrhage: less severe.