Dizziness, blurred vision, insomnia and excessive dreaming are mostly considered to be caused by insufficient blood supply to the brain. If it is a young person, it may be caused by a long irregular life, excessive staying up late, excessive psychological stress, and excessive mental tension. Patients should be instructed to relax, reduce stress, develop good work and rest habits, sleep on time, wake up without staying up late, and participate in some physical exercises and outdoor sports appropriately, which may improve the symptoms. In the case of middle-aged and elderly people, most of them are considered to be cerebral atherosclerosis, and most of them may have hyperlipidemia, diabetes, hypertension and hyperhomocysteinemia. The main application is to improve blood circulation drugs, commonly used are Danshen, Safflower, Panax notoginseng, Cipro, Ginkgo biloba drops, at the same time to actively control the cause of the patient, if the patient has hypertension is generally applied to long-acting preparations, commonly used drugs are amlodipine and Irbesartan; hyperlipidemia is generally preferred to statins, commonly used are simvastatin and atorvastatin; if the patient has elevated blood sugar should be preferred to metformin If the patient’s blood sugar is elevated, metformin should be preferred orally, and insulin can also be applied for glucose-lowering treatment if necessary.