There are many common clinical causes of high LDL, such as: 1. Hyperlipidemia, diabetes, liver disease, atherosclerosis, coronary heart disease, nephrotic syndrome, chronic renal failure, etc. can cause increased LDL; 2. It can be seen in anorexia nervosa and women during pregnancy. If clinically simple LDL is increased, but cholesterol and triglycerides are not high, temporarily you can not need medication, you can adjust the control by adjusting the diet and from the lifestyle habits, but if long-term LDL is increased, because it is an independent risk factor for the occurrence of coronary heart disease, this requires the recent attention not to eat a lot of fatty food, increase exercise, and it is best to seek medical consultation It is best to consult a doctor and take some medication accordingly.