LDL cholesterol of 4.6mmol/L belongs to dyslipidemia, regardless of the etiology, if caused by lipid source, lipoprotein synthesis, metabolism process key enzyme abnormality or degradation process receptor pathway obstacles, etc., all may lead to dyslipidemia. Dyslipidemia, a small number of systemic diseases, most of the genetic defects and environmental factors interact with the results of dyslipidemia and a variety of diseases such as obesity, type 2 diabetes mellitus, hypertension, coronary heart disease, stroke, etc., long term dyslipidemia can lead to atherosclerosis, increase the incidence of cardiovascular and cerebrovascular disease and mortality. LDL clinically greater than or equal to 4.1mmol/L is elevated, treatment should adhere to a balanced diet, increase regular physical labor, quit smoking and limit alcohol. For those whose LDL is still high after lifestyle changes, lipid regulating drugs can be applied, such as simvastatin, atorvastatin calcium, etc. For those who are combined with high risk factors, cardiovascular and cerebrovascular diseases and diabetes, the criteria are more stringent, and patients are required to visit regular hospitals and decide whether or not to use medication according to their own conditions. If you find dyslipidemia for the first time, you should not take medication without authorization, and it is recommended that you consult a professional doctor to develop the best treatment plan based on your own situation.