There is no dizziness to be alert to the three diseases, clinically can cause dizziness of many diseases, need to be for the cause of the use of different drug therapy, such as hypertension oral antihypertensive drugs; hypoglycemia should be supplemented with glucose; iron deficiency anemia oral ferrous succinate, etc.; cervical spondylosis to give traction and other treatments. 1. Physiological factors: dizziness and other symptoms when the patient is overly active in the brain, which will gradually recover after resting and usually does not need treatment. 2. Hypertension: Dizziness can occur when blood pressure suddenly increases, leading to dilation or spasm of cerebral blood vessels. Oral antihypertensive drugs, such as nifedipine controlled-release tablets and irbesartan, can be prescribed. 3. Hypoglycemia: When suffering from hypoglycemia, dizziness and other symptoms can occur. At this time, glucose should be supplemented to correct hypoglycemia. 4. Vestibular neuritis: it can cause sudden dizziness and nystagmus with nausea and vomiting. It is easy to fall to one side. It can be treated with glucocorticosteroids such as hydrocortisone, antihistamines such as benadryl, and anticholinergics such as scopolamine. 5. Cervical spondylosis: When suffering from cervical spondylosis, dizziness can also occur when the sympathetic nerves are stimulated, which can be improved by manipulation therapy and traction therapy. There are many causes of dizziness, and when persistent dizziness occurs, one should go to the hospital outpatient clinic for timely consultation and treatment for the cause.