Sudden dizziness may be caused by the patient's insufficient cerebral blood supply or hypertension and other diseases. In addition, if the patient has Meniere's disease, otolith, cerebral thrombosis, posterior circulation ischemia, hypoglycemia, brain trauma, vertigo is also easy to appear. In addition, if patients have cerebral arteriosclerosis, or poor rest, lack of sleep, poor nutrition, they are also prone to sudden dizziness. In case of vertigo, relevant examinations should be improved to make a diagnosis, and then treatment should be carried out according to the etiology. In addition, patients should also ensure adequate sleep, not stay up late, and strengthen nutrition in diet during treatment.