The causes of cerebral nerve dysfunction are tension and anxiety, lack of sleep, cerebrovascular disease, etc. Patients can actively treat the primary disease, take antidepressant and anxiety drugs, nutritive drugs to improve the symptoms. 1. Nervousness and anxiety: long-term nervousness and anxiety and stress may occur in the brain nerve function disorders, patients can follow the doctor’s instructions to take sertraline, citalopram and other drugs to ease the discomfort. 2. lack of sleep: long-term late night, irregular work and rest can also cause brain nerve function disorders, you can follow the doctor’s instructions to take vitamin B12 and methylcobalamin and other drugs to nutritional nerve cells, so as to regulate nerve function disorders. 3. Cerebrovascular disease: patients with cerebral hemorrhage and cerebral infarction will often have cerebral nerve function disorders, and should be actively treated for the primary disease, such as the use of aspirin, clopidogrel and other antiplatelet aggregation drugs as prescribed by the doctor, and the use of mannitol to lower the intracranial pressure, etc. At the same time, vitamin B12 can be used as prescribed by the doctor. At the same time, vitamin B12 and methylcobalamin can be used as prescribed by the doctor to nourish the nerves. Due to the diversity of causes and individual differences, there is no absolute most effective drug, need to strictly follow the doctor’s instructions to choose the most suitable for their own drugs, have adverse reactions to the emergence of timely consultation, drug allergy is prohibited.