Dizziness is a common functional disorder of the brain, sometimes patients will have the symptom of raising their head without dizziness and lowering their head with dizziness, this situation may be caused by a variety of reasons, and patients can be analyzed from different aspects of physiology and pathology. First, physiological factors sleep posture or work posture is not appropriate, the neck nerve pressure, poor blood flow, resulting in insufficient blood supply to the brain, triggered by transient dizziness, it is recommended to change the posture, accelerate the blood supply, to alleviate the symptoms of dizziness. If the symptoms do not improve for a long time, it is necessary to go to the hospital for examination to exclude cerebral arteriosclerosis and other cerebrovascular diseases. Second, pathological factors 1, otolithiasis: that is, benign paroxysmal positional vertigo, the occurrence of symptoms is often associated with some kind of change in head position, which can be seen when the affected ear down, such as low head when tying shoelaces, transient dizziness, after a clear diagnosis, can be alleviated through manipulation of the reset of the symptoms; 2, anemia: when affecting the nervous system, the cerebral tissues of ischemia, hypoxia, can also cause dizziness, insomnia, fatigue, etc., you need to pay attention to rest, dietary modification, and if necessary, go to the hospital to relieve the symptoms of cerebral arteriosclerosis. Dietary modification, if necessary, go to the hospital to receive formal treatment; 3, cervical spondylosis: lifting the head without dizziness, low dizziness, may also be caused by cervical spondylosis, cervical vertebral degeneration or hyperplasia compression of the sympathetic nerves, dizziness symptoms, can be targeted to give acupuncture, acupressure, or drugs, surgery and other treatments. If accompanied by back of the head pulling pain, neck pain and other symptoms, also consider cervical vertigo, mostly in the neck after the activities of the symptoms worsened, but the clinical rarer, patients are recommended to do imaging tests to rule out. In addition to the above, hypertension, heart disease, craniocerebral trauma and injury can lead to dizziness symptoms, the characteristics of which vary from person to person, and may be manifested as lifting the head without dizziness, dizziness in the low head, need to go to the hospital in a timely manner for differentiation, as soon as possible to make a clear diagnosis, and symptomatic treatment, so as to avoid delaying the condition.