Total cholesterol of 6.38mmol/L and LDL of 3.9mmol/L are abnormal and should be taken seriously. The normal value of total cholesterol is usually <5.18mmol/L, if some obese people or recently eat too much greasy food, there may be borderline elevation, the value is between 5.18~6.19mmol/L, if ≥6.22mmol/L, it is considered hypercholesterolemia. LDL values are usually less than 3.37 mmol/L, with borderline elevations between 3.37 and 4.12 mmol/L. If LDL is ≥4.14 mmol/L it is considered elevated, while LDL 3.9 mmol/L is considered borderline elevated. Total cholesterol 6.385.18mmol/L LDL 3.95.18mmol/L should be timely communication with the doctor, bed symptoms and other tests combined to confirm the diagnosis, active treatment, strict control of diet.