The normal value of total cholesterol is about 2.83~5.28mmol/L. 6.7mmol/L is high, which is hypercholesterolemia. It should be treated by diet, exercise and medication. Medications include statins, ezetimibe, etc. Total cholesterol is the sum of all lipoproteins containing cholesterol in the blood, including total cholesterol and cholesteryl esters. High total cholesterol is a risk factor for atherosclerosis and cardiovascular diseases, and should be lowered to an ideal level. 1. Diet management: low salt, low fat, low sugar diet, avoid eating greasy, fried food, try not to eat fatty meat, egg yolks, animal offal and other cholesterol-rich foods, avoid drinking alcohol, eat more fruits and vegetables, and have a reasonable diet. 2. Exercise management: Adhere to exercise, mainly aerobic exercise, such as swimming, jogging, brisk walking, cycling, etc., reasonable weight reduction. 3. Drug therapy: preferred statin lipid-lowering drugs, such as atorvastatin, resuvastatin, etc. to inhibit cholesterol synthesis; can also be taken orally to inhibit the absorption of cholesterol ezetimibe and reduce cholesterol. Patients with high cholesterol should go to the hospital for treatment under the guidance of a doctor.