LDL 4.3mmol/L needs to be treated with diet, exercise management and medications such as atorvastatin calcium tablets. LDL 4.3mmol/L is higher than normal, normal LDL ranges from <3.4mmol/L and LDL cholesterol ≥4.1mmol/L is an elevated level. Therefore, LDL 4.3mmol/L needs to be controlled by active diet and exercise, such as in daily life, regular diet, maintain low-fat and low-salt diet, do not overeat, reduce the intake of high cholesterol food, increase the intake of fresh vegetables and fruits. In addition, it is also necessary to maintain a moderate amount of daily exercise, increase aerobic exercise, such as swimming, jogging and so on. If the blood lipids are not controlled to the standard with diet and exercise, lipid-lowering drugs should also be taken for treatment, such as atorvastatin calcium tablets and other drugs. In addition, if LDL 4.3mmol/L, combined with hypertension, diabetes, kidney disease and other diseases, lipid-lowering drug treatment should be initiated early. The above mentioned medications need to be taken under the guidance of a medical professional.