LDL 4.4mmol/L can’t be determined solely on the basis of numerical value, whether it is serious or not should be combined with age, underlying diseases, clinical symptoms and other comprehensive judgment. Normal value of LDL ≤ 3.4mmol / L, 3.4-4.1mmol / L proved to be at the edge of the level, > 4.1mmol / L to consider its elevation, then 4.4mmol / L on behalf of the clinical considerations of its elevation, the need to further check the patient’s degree of obesity, whether there is a fatty liver, cardio-cerebral and cerebrovascular diseases, it is recommended to combine with liver function, lipid monitoring indicators and other conditions to consider the overall situation to determine whether it is serious. It is recommended that the patient under the guidance of the doctor for weight loss, diet control and other exercises, and under the guidance of the doctor oral statin drugs to lower lipids, such as Rosuvastatin, etc., after 4 weeks of medication to review the four indicators of blood lipids. LDL can determine the risk of atherosclerosis, coronary heart disease and cerebral infarction at an early stage, and LDL needs to be monitored during the use of lipid-lowering drugs. If LDL is elevated, you should go to the hospital in time and follow the doctor’s instructions.