Dizziness is a common symptom in neurology, for many people are currently troubled by dizziness, so here I help you analyze it, you can pay attention to it according to what I have told you, and if you have the situation, please seek medical attention in time. For dizziness is ultimately because the brain ischemia and hypoxia, and the blood vessels supplying the brain disease are mainly two systems, one is the internal carotid artery system, also known as the anterior circulation system, mainly supplying the middle and front of the brain. The second is the vertebrobasilar artery system, also known as the posterior circulation system, which mainly supplies the posterior part of the brain and the cerebellum. The main clinical symptoms of carotid artery ischemia: 1. hemiparesis or mild hemiparesis 2. motor and sensory impairment of one limb 3. speech impairment, transient or prolonged blackout The main symptoms of vertebrobasilar artery ischemia: 1. dizziness, vertigo, unsteadiness, difficulty in swallowing 2. double vision, slurred speech, weakness or numbness of one side of the head and face and the opposite upper and lower limbs 3. impaired consciousness Tests required: head CT; head MRI; carotid and vertebral artery ultrasound; TCD; DSA is the gold standard. Routine lipid tests to rule out cerebral atherosclerosis; routine blood tests to rule out anemia. Treatment: Treatment of dizziness mainly includes symptomatic treatment for the disease and treatment for the cause of the disease. Symptomatic treatment includes oxygenation and rehydration, and quiet rest. There are many causes of dizziness, including anemia; hypoglycemia; hyperglycemia; hypertension; hypotension; hyperlipidemia; cerebral infarction; cerebral atherosclerosis; cerebral vascular stenosis; cerebral vascular spasm; cerebral vasodilation; cerebral edema; cerebral hemorrhage, etc. According to the possible causes, the specific treatment should be tailored to each case. All in all, for dizziness to be treated in a timely manner and early, for this category of people, do a good job to go to the hospital early to perform the necessary tests, and at the same time, you can consider using Chinese medicine to regulate, very often, the prevention of the onset is more important than treatment.