Basilar artery blood flow velocity increase may be caused by vasospasm or cerebral artery stenosis and other reasons, need to clarify the cause of the symptomatic treatment, can follow the doctor’s instructions to take nimodipine, aspirin and other drugs, if necessary, surgical treatment. 1. Vasospasm: often stay up late, emotional instability, sympathetic excitation can cause basal blood flow velocity increase, if caused by vasospasm, you can take nimodipine and other calcium antagonist drugs under the guidance of the doctor, and to maintain emotional stability, regular work and rest. 2. Cerebral artery stenosis: under the guidance of a doctor, you can take antiplatelet drugs such as clopidogrel and aspirin, as well as strong statin lipid-lowering drugs such as Rosuvastatin and Atorvastatin. And through enhanced CT or cerebral angiography, further examination should be done to clarify the cause of the disease. Surgical treatment, including stenting or incision angioplasty, is required in the presence of severe stenosis. If you feel unwell, you should go to the hospital in time, and under the guidance of the physician, give targeted treatment after clarifying the cause, do not blindly use drugs on your own.