Total cholesterol 7.55mmol/L triglyceride 2.91mmol/L usually belongs to hyperlipidemia, only look at the blood lipids can not judge the severity, need to see whether the patient is combined with hypertension, coronary heart disease, diabetes mellitus and cerebral infarction and so on. The normal value of total cholesterol in the body is 5.2mmol/L or below, and total cholesterol of 7.55mmol/L is already on the high side. The normal value of triglyceride in the body is below 1.7mmol/L. Generally speaking, 1.7~2.29mmol/L is considered as the borderline elevated value, and more than 2.3mmol/L is considered as elevated triglyceride, and the triglyceride of 2.91mmol/L is already on the high side. Complications of abnormal lipid metabolism is to lead to atherosclerosis, when the cardiac blood vessels sclerosis, lumen narrowing and blockage can lead to coronary heart disease, and cerebral arteries, carotid arteries, the aorta can be sclerosis and lead to the corresponding diseases. If there is only high blood lipid and there is no combination of hypertension, diabetes, coronary heart disease, cerebral infarction, etc., it means that the situation is not serious, and you can take lipid-regulating drugs to improve the blood lipid situation. If there is a combination of one or more of the above mentioned diseases, it means that the situation is more serious, and the risk of potential cardio-cerebral and cerebral vascular diseases is higher, and you have to adjust the medication in time and keep the blood lipid within a reasonable range. When there is dyslipidemia, please go to the hospital for examination, take lipid-regulating drugs under the guidance of the physician, and eat a light diet.