LDL 7.75 mmol/l is considered high. LDL is a plasma lipoprotein that enables cholesterol to be transported to extrahepatic tissue cells, and malfunctioning or disturbed lipid metabolism is an important factor in causing atherosclerosis. Its normal range is 0~3.12mmol/l, over 3.12mmol/l is considered high. High LDL is related to daily life and dietary habits, such as irrational diet, little exercise, obesity, excessive mental stress. LDL 7.75mmol/l can cause atherosclerosis, coronary heart disease, stroke and other serious diseases. Patients with LDL 7.75mmol/l need to follow medical advice for treatment. Commonly used therapeutic drugs include statins such as lovastatin and atorvastatin, which have significant lipid-regulating effects. Cholesterol uptake inhibitors such as colestipol and colestipol can also be used to lower LDL levels by lowering cholesterol. Patients with LDL 7.75mmol/l should choose appropriate and effective drugs for treatment under the guidance of doctors, and patients should not use drugs on their own. In addition, patients should pay attention to diet control, eat less greasy, cholesterol-rich foods, such as egg yolks, animal offal, etc., and also need appropriate physical exercise to achieve the purpose of fat reduction.