Total cholesterol 5.75mmol/L is usually abnormal and belongs to the high level, the specific reference range may vary according to different testing methods and different hospitals. Normal total cholesterol should not exceed 5.69mmol/L (220mg/dl), the specific reference range may vary according to different testing methods and different hospitals, total cholesterol 5.75mmol/L is abnormal and belongs to high level. High total cholesterol should be given lifestyle intervention first. Control the dietary cholesterol intake, avoid or eat less cholesterol-rich foods, such as egg yolk, pig brain, animal offal, skin eggs, eel, crab roe, fish roe, cream, cod liver oil, etc.; at the same time, increase the physical exercise, maintain the ideal body weight, avoid overweight or obesity. Medications can be chosen under the guidance of a doctor to lower cholesterol, and the medications are commonly used as statins, including atorvastatin, resuvastatin, and so on. Total cholesterol 5.75mmol/L should go to the hospital, under the guidance of the doctor’s treatment.