The smoke released from tobacco combustion includes carbon monoxide, nicotine and other alkaloids, amines, nitrile, alcohols, phenols, alkanes, aldehydes, heavy metal elements, etc. The main components related to the development of coronary heart disease are nicotine and carbon monoxide. It can induce coronary artery spasm, slow down the blood flow in the coronary arteries, reduce blood flow, and increase the viscosity of blood, leading to myocardial hypoxia and even causing myocardial infarction. Foreign research results show that the total mortality, cardiovascular morbidity and mortality of smokers among men increased by 1.5 times compared to nonsmokers, the relative risk of fatal and non-fatal myocardial infarction in smokers was 3 times higher than in nonsmokers, the incidence of coronary heart disease in smokers increased by more than 20 times, and the incidence of angina pectoris increased by more than 30 times.