Long-term dizziness, but the examination is normal, may be due to poor rest, neurasthenia, may also be caused by cervical spondylosis caused by insufficient blood supply to the vertebral artery, or may be caused by diseases inside the head, such as cerebral vascular spasm, need to be examined and treated in a timely manner to avoid delaying the disease. It is necessary to do CT examination of the head, CT examination of the cervical spine or MRI examination to understand the situation of the head and cervical spine in detail, use drugs according to the examination results, traditional treatment such as acupuncture and massage of the head can be done, less use of cell phones and computers, the pillow should not be too high, pay attention to rest and less stay up late.