Abstract: Atherosclerosis is the main cause of coronary heart disease, Now it is thought that atherosclerosis is a chronic inflammatory disease. The ratio of Monocytes to high-density lipoprotein (MHR) is a new inflammatory marker of coronary atherosclerosis, which is measured simply and cheaply. MHR is associated with short-term and long-term occurrence of cardiovascular events and morbidity of Coronary heart disease, which can be used as predictor of coronary heart disease prognosis.

Key words: ratio of monocyte to HDL, coronary heart disease, inflammatory marker, atherosclerosis