The causes of high blood lipids are as follows: 1, genetic factors: such as hereditary hypercholesterolemia; 2, excessive diet: fat intake exceeds the metabolic amount in the body, which can also lead to elevated blood lipids; 3, low exercise: sugar, lipids and protein can be transformed into each other, and eating fatty meat or food containing high cholesterol and triglycerides without moderate exercise can also lead to elevated blood lipids; 4, metabolic factors: high blood lipids is a common problem among middle-aged and elderly people at present, and even if they do not eat much, it can cause elevated blood lipids, which may be related to metabolic factors.