The most common cause of dizziness is transient cerebral insufficiency, also known as acute TIA attack, which is usually caused by insufficient blood supply to the main arteries of the brain, such as the vertebral basilar artery or the internal carotid artery system, resulting in an acute ischemic cerebrovascular attack, causing clinical symptoms such as dizziness, dizziness, tinnitus, palpitations, transient darkness, double vision, etc. 2. The disease is also associated with a series of clinical symptoms such as lack of oxygen in the brain, which is typical when the brain cells are ischemic and lack of oxygen, and is caused by a decrease in oxygen saturation in the cerebral arteries.