Nimodipine tablets and flunarizine (i.e., flunarizine hydrochloride) each have their own applicable groups, and it is not possible to compare their efficacy; the specific therapeutic effects vary from person to person. Nimodipine tablets are suitable for relieving cerebral vasospasm after subarachnoid hemorrhage caused by various reasons, and improving blood circulation in acute cerebrovascular disease in the recovery period. It should be contraindicated in pregnant and lactating women. Adverse reactions include nausea, vomiting, gastrointestinal discomfort, decreased blood pressure, dyspnea, wheezing. Flunarizine Hydrochloride is indicated for the treatment of cerebral hypoperfusion, vertebral artery ischemia, cerebral thrombosis, tinnitus, cerebral dizziness, adjunctive treatment of epilepsy, and prevention of migraine. It should be contraindicated in people who are allergic to the product, as well as those who have a history of depression, acute cerebral hemorrhagic disease and so on. Depression, drowsiness, fatigue, abdominal pain and other adverse reactions can occur after taking the drug. Both nimodipine tablets and flunarizine hydrochloride can relieve cerebral vascular spasm and improve blood circulation in the brain, but the effects of the medication vary from person to person, and it is not possible to make an overall comparison. And the specific use of drugs should be guided by a specialist physician.