An LDL of 37 mmol/L is not normal and is already above normal. The appropriate level of LDL is ≤3.4 mmol/L. LDL >4.1 mmol/L is defined as elevated LDL. LDL is one of the risk factors for atherosclerosis, and LDL is an atherogenic factor. Increased LDL levels are positively correlated with the development of coronary heart disease and can be used to determine the risk of coronary heart disease. Elevated LDL can also be seen in other diseases, such as hypothyroidism, nephrotic syndrome, cholestatic jaundice, obesity, and the use of androgens, glucocorticoids, and so on. LDL level of 37mmol/L is already about 10 times higher than the normal value, in order to exclude the influence of disease and avoid the progress of the disease, it is recommended to consult a doctor in a timely manner to find out the cause of the disease and take early treatment measures under the guidance of a specialist.