Cholesterol 6.26mmol/L is usually not very serious. Generally, the clinical cholesterol check is to draw blood for serum total cholesterol, and the normal range of serum total sterols for adults is about 2.9~6.0mmol/L, which may be different due to different testing equipments, but it will not differ greatly. Serum total cholesterol of 6.26mmol/L is slightly higher than the upper limit of normal, which can be seen as a physiological effect, but also pathological factors. Causes of elevated cholesterol include poor dietary habits, lack of exercise, obesity, age, smoking, etc. Diseases such as hypothyroidism and Cushing’s syndrome can also cause hypercholesterolemia, which can result in atherosclerosis, leading to cardiovascular, cerebrovascular and peripheral vascular pathologies. Usually in the case of high total cholesterol, not very serious, but can not be generalized. Usually pay attention to light diet, appropriate exercise, weight control, quit smoking and limit alcohol, etc., and regularly monitor the blood lipid situation. If the blood lipid is repeatedly elevated, you need to consult a doctor in time, under the guidance of the physician regular treatment, to avoid the adverse effects of self-medication.