Usually normal blood pressure also has the possibility of cerebral hemorrhage. Although high blood pressure is the main cause of cerebral hemorrhage, it does not mean that all cerebral hemorrhage is caused by high blood pressure, there may be the following causes: 1. Pathological factors: 1. Aneurysm: patients suffering from aneurysm, rupture can lead to cerebral hemorrhage, blood pressure may be normal before the onset, but there will also be symptoms of cerebral hemorrhage; 2. Cerebrovascular malformation: the presence of cerebrovascular malformation With normal blood pressure, there is also the possibility of cerebral hemorrhage; 3, malignant tumor: malignant tumor in the brain grows faster, which can lead to hypoxia and ischemia at the center of the tumor, forming necrosis, leading to cerebral hemorrhage in patients; 4, abnormal coagulation function: patients with previous hemophilia, coagulation dysfunction or long-term use of anticoagulant drugs can lead to the occurrence of cerebral hemorrhage. Second, physiological factors: In individual cases, brain hemorrhage may also occur when staying up late frequently as well as when emotionally agitated. Therefore, in order to better prevent the occurrence of cerebral hemorrhage, you need to develop good living habits and regular medical checkups to reduce the incidence of cerebral hemorrhage.