Total cholesterol of 7.5mmol/L is not normal and is considered high. Normal total cholesterol should not exceed 5.69mmol/L (220mg/dl), 7.5mmol/L is high. If not controlled in time, it may lead to atherosclerotic cardiovascular diseases, such as coronary heart disease, stroke, and peripheral arterial disease, etc., and it is easy to be combined with diabetes mellitus, high blood pressure, gout and other diseases. High total cholesterol should first be given a lifestyle intervention. Control the intake of cholesterol in the diet, increase vegetables and fruits, crude fiber food, fish, low salt and less oil, and limit alcohol consumption; at the same time, increase physical exercise, exercise appropriately according to their own conditions, maintain an ideal body weight, and avoid overweight or obesity. If necessary, medication should be taken under the guidance of a doctor to lower blood lipids, such as atorvastatin, resuvastatin and other statin drugs. When the total cholesterol is high, it is recommended to consult a doctor in time and standardize the treatment.