First of all, high blood fat can not cause dizziness, but long-term high blood fat will cause, the elasticity of the blood vessel wall is weakened, the blood viscosity increases, resulting in high blood pressure or cerebral blood supply is insufficient when dizziness will occur, but not necessarily always dizzy. Mild hyperlipidemia often does not cause elevated blood pressure, cerebral arterial blood supply insufficiency and other conditions, so there will not be dizziness symptoms, but if the blood fat is relatively high, the duration of a relatively long time, easy to cause atherosclerosis or plaque formation, there will be elevated blood pressure, cerebral arterial blood supply insufficiency, thus causing dizziness when the above diseases; When the degree is not very serious, it may appear due to factors such as exertion, and the dizziness will be relieved after resting, but if the blood pressure continues to increase and the degree of insufficient blood supply to the cerebral arteries is more serious, the symptom of dizziness can appear all the time. If you have elevated blood lipids, whether or not you have symptoms of dizziness, you must actively use medication under the guidance of your doctor and pay attention to your diet, avoiding fried foods, animal offal and other foods that contain cholesterol and more fat. If you have symptoms of physical discomfort, you should go to the hospital in time, under the guidance of the physician, to identify the cause and then give targeted treatment.