The sudden appearance of dizziness in a split second can be otoliths, posterior circulation transient ischemic attack, or cervical spondylosis. In patients with otolithiasis, in general, dizziness can occur suddenly when the head position is turned and can be accompanied by visual rotation, deafness, tinnitus, nausea, and vomiting; this patient is usually treated mainly by reset. If the patient has a history of cervical spine disease, the head to a certain side, when turning may also appear transient dizziness, the patient can appear cervical and shoulder muscle pain and discomfort, if necessary, should check the cervical spine nuclear magnetic to clarify the diagnosis, cervical muscle massage treatment, cervical traction treatment. If the patient has posterior circulation transient cerebral ischemic attack, sudden dizziness, accompanied by balance disorder and ataxia, the patient’s dizziness mostly lasts for 10-15 minutes, cranial CT examination is generally normal, oral aspirin antiplatelet aggregation treatment, while controlling the cause of the disease, can also be carried out to improve blood circulation treatment, commonly used drugs such as Shuxin and Vibrant Brain Lutong.