Flunarizine Capsules is a kind of drug to improve cerebral circulation, which can promote the repair of brain cells, and is also a calcium channel blocker, which can prevent cell damage caused by pathologic intracellular calcium overload due to ischemia and other reasons, and can be used for the adjuvant treatment of cerebral vascular disease, migraine, vertigo, tinnitus, epilepsy, and so on. Since Flunarizine capsules can cause drowsiness, it is recommended to take it before bedtime. It may cause depression, extrapyramidal symptoms, so patients with depression and Parkinson’s disease should be cautious or prohibited; with alcohol, hypnotic drugs can aggravate its sedative effect, prohibit the consumption of alcohol during the period of taking the drug; it can also cause gastrointestinal reactions, such as burning sensation of the stomach, nausea, increase in the amount of food, weight gain, etc.; sometimes allergic reactions such as skin rashes, acute cerebral hemorrhage patients are prohibited, and it is recommended to use the drug under the direction of the clinician. It is recommended to use the drug under the guidance of clinicians.