LDL 3.41mmol/L is slightly above normal and requires lifestyle improvements such as: dietary management, exercise therapy etc. Normal LDL cholesterol range should be within 3.4mmol/L, while LDL cholesterol 3.4~4.09mmol/L belongs to the borderline level, and when LDL cholesterol >4.1mmol/L belongs to the increased level. LDL cholesterol 3.41mmol/L belongs to the borderline level, if there is no underlying disease such as coronary heart disease, diabetes mellitus and so on, it is necessary to pay attention to the management of diet and exercise, such as low-fat and low-salt diet, daily increase in aerobic exercise and so on to control the level of blood lipids. If there is a combination of coronary heart disease, hypertension, diabetes and other underlying diseases, it is necessary to combine with statins, such as atorvastatin, in addition to diet and exercise management, to try to control the LDL <1.8 mmol/L. The above mentioned drugs need to be taken under the guidance of a medical professional.