Serum total cholesterol of 5.56mmol/L is mildly elevated and requires lifestyle treatment and medication if necessary. Serum total cholesterol 5.56mmol/L firstly needs to exclude pseudo elevation, for example, eating more high-fat food before the laboratory test can lead to a transient elevation of total cholesterol, which should be retested after a normal diet. Treatment of hyperlipidemia includes lifestyle therapy and drug therapy. Lifestyle treatment means eating a light diet and avoiding high-fat foods, such as animal offal and fried foods; controlling one’s weight and exercising appropriately; and quitting bad habits, such as smoking and drinking alcohol. If necessary, use medication under the guidance of a doctor for treatment, such as atorvastatin. Hyperlipidemia is recommended to be treated under the guidance of a doctor.