Low LDL cholesterol is mainly caused by poor diet and low fat intake in life, and also by abnormal liver function. Low LDL cholesterol is mainly caused by the intake of light foods such as green vegetables and fruits, but less intake of animal offal and fatty foods, which may be caused by poor digestion. It is recommended to match nutrition in life and eat more meat and eggs. If there are no symptoms, treatment can be disregarded and the clinical significance is not too great. If the physique is thin, when there is anemia and so on, to increase nutrition, and laboratory tests of liver function, to see if there is a stomach disease or liver disease of. LDL is a lipoprotein particle that carries cholesterol into peripheral tissue cells. If LDL is in excess, the cholesterol it carries will be present in the arterial wall, which will cause atherosclerosis over time and lead to coronary heart disease and fatty liver. If LDL is low and impaired liver function is ruled out, there is not much of a problem. Some people can have low LDL due to excessive weight loss, which can seriously affect their health and requires more attention.