Guillizine tablets, 25mg~50mg per oral dose, its specification is usually 25mg per tablet, so 1~2 tablets per oral dose, 3 times a day. Guillizine tablets belong to the group of calcium channel blockers and are used to improve blood circulation in the brain and heart due to their vasodilating effect, such as in cerebral infarction, recovery from cerebral hemorrhage, vertigo in the inner ear, and coronary atherosclerosis. There are reports in the recent literature that the drug can be used in allergic skin diseases. Common adverse reactions include drowsiness, fatigue, weight gain in some patients (usually transient), and occasional depression and extrapyramidal reactions such as bradykinesia, tonicity, inability to sit still, dry mouth, muscle pain, and rash with prolonged use. It is contraindicated in patients with a history of hypersensitivity to the drug and a history of depression. This product should be used with caution for people with extrapyramidal disorders, drivers and other high-risk operations; in combination with alcohol and sedative drugs, it will exacerbate the sedative effect; phenytoin sodium, carbamazepine will reduce the blood concentration of the drug. It is recommended that patients use the drug under the guidance of a physician, not blindly self-medication to avoid adverse reactions.