Cerebral nutrients mainly include olanzapine, piracetam, cytarabine, ceruloplasmin hydrolysate, vincristine, ceruloplasmin, but also edaravone can be applied. The drug is mainly indicated for cerebrovascular diseases including cerebral hemorrhage, cerebral infarction and subarachnoid hemorrhage, and can also be used for craniocerebral trauma and craniocerebral tumors. It can also be used if the patient is considered to have an infectious disease of the central nervous system, such as encephalitis and meningitis. It can also be applied to patients with hypertensive encephalopathy, ischemic-hypoxic encephalopathy, hypertensive encephalopathy and ischemic encephalopathy, which can cause memory loss, inattentiveness and disordered thinking, as well as actively controlling the patient’s blood pressure and correcting the patient’s cerebral ischemia and hypoxia. Drugs for lowering blood pressure generally apply levamlodipine and amlodipine benzenesulphonate; drugs for improving blood circulation generally apply shuxu haemonin, vincristine and chuanxiongxiong zhen, and can also be applied if the patient has senile dementia.