Whether or not to take medication for total cholesterol 6.8mmol/L needs to be taken in the context of the patient’s condition, such as the need for medication if accompanied by multiple cardiovascular disease risk factors. The normal level of total cholesterol is 0-5.7mmol/L. 6.8mmol/L exceeds the normal value and the patient should be evaluated for cardiovascular disease risk factors. Patients with no risk factors or low risk do not require oral medication and can seek to control their cholesterol levels to within normal limits through lifestyle and dietary modifications. For patients with elevated cholesterol levels accompanied by multiple cardiovascular and cerebrovascular risk factors, oral statin medication is required. Common risk factors include smoking, obesity, carotid plaque, and cardiovascular and cerebrovascular diseases, etc. Patients at high risk should lower their cholesterol to a lower level to slow down the progression of atherosclerosis. Common drugs to lower blood lipids are statins such as atorvastatin, which mainly inhibit cholesterol synthesis. Common adverse reactions include urinary tract sensation, arthralgia, limb pain, abdominal pain, nausea, gastrointestinal discomfort, etc. It is contraindicated for patients with allergy to drug components, women during pregnancy, unexplained elevation of liver enzymes, and severe liver function impairment. Patients with elevated cholesterol should go to the hospital and be given treatment under the guidance of a physician.