Dizziness and wanting to vomit from time to time may be caused by insufficient blood supply to the brain, most often seen in the cerebellum and brainstem, most of which is due to lesions of the vertebral basilar artery system. If there is congenital stenosis of blood vessels, patients can experience this condition in severe cases. If the patient has severe hypovolemia, severe hypotension, or if the blood pressure of the patient with high blood pressure decreases too quickly, this condition can occur, and the corresponding treatment should be carried out for different causes. If the patient has cerebral atherosclerosis, this condition can also occur, usually occurs in middle-aged and old people, most of the patients have hyperlipidemia, diabetes mellitus and hypertension, should actively control the patient’s blood lipids, blood glucose and blood pressure, and at the same time, applying some blood circulation, improve blood circulation drugs, you can orally ginkgo biloba drops, xibiru, or can be injected into a vein shuxuxue blood ning.