Hyperlipidemia refers to high blood lipid levels, which is a systemic disease caused by abnormal fat metabolism or operation, making plasma lipids higher than normal. It refers to high cholesterol or triglycerides in the blood, or low high-density lipoprotein cholesterol. Modern medicine calls it dyslipidemia. Hyperlipidemia can be divided into primary and secondary types. The former is related to the environment and family inheritance. The latter is caused by diabetes, hypothyroidism, obesity, pancreatitis, etc. It is particularly common in middle-aged and elderly people. According to statistics, the number of people with hyperlipidemia has reached 200 million. In addition, since there are no obvious symptoms in the early stage of hyperlipidemia, it is easy to be ignored by patients. It all happens unconsciously and can only be discovered during health examinations. Therefore, it is also called: the silent killer.