Ginkgo biloba is a drug that improves blood circulation and activates blood stasis. It can be used to treat dizziness if the patient is caused by inadequate blood supply to the brain. Inadequate blood supply to the brain includes inadequate blood supply to the internal carotid artery system and inadequate blood supply to the vertebrobasilar artery system. Inadequate blood supply to the vertebral basilar artery system, patients generally present with dizziness, nausea, vomiting, impaired balance, and ataxia, mainly due to ischemia and hypoxia in the cerebellar brainstem. Generally, it occurs mostly in middle-aged and elderly people. Patients may have hyperlipidemia, diabetes mellitus, atherosclerosis, and some patients may have a history of hypertension. If patients have a history of atherosclerosis, the main treatment is to improve blood circulation and soften blood vessels, and the drugs for improving blood circulation treatment can be applied to ginkgo biloba drops, ginkgo biloba leaves, cipro and vitamin E; if patients have elevated blood lipids and blood sugar, they should If the patient’s blood lipids and blood glucose are elevated, they should be actively regulated. If the patient is older than 50 years old, oral aspirin antiplatelet aggregation therapy can be used.