Cholesterol is an indicator of blood lipids in the body, clinically, cholesterol is very important to the human body, is an important substance in the human body’s tissues and cells, is the main raw material for the synthesis of adrenocorticotropic hormone, sex hormones, and vitamin D, and it is also a pharmaceutical component of the human body’s cell membranes. Under normal circumstances, the normal value of adult cholesterol is 2.86-5.98mmol/L. Normal cholesterol in the human body is mainly due to the intake of foreign food and self-synthesis of the two aspects, if the intake of excessive or excessive synthesis of cholesterol, resulting in cholesterol indicators exceeded, which may lead to a series of cardio-cerebral and cerebrovascular diseases.