Abstract: Coronary heart disease(CHD) is the leading cause of death among 235 causes of death in human currently and kills more than 7 million peoples annually worldwide and will continuously be ranked as the top cause of death in next 20 years according the prediction.As the population aging and epidemics of major risk factors of CHD,there are remarkable raising incidence and mortality of CHD in Chinese population with increasing numbers of CHD patients.The CHD patients may visit dental clinics to seek help because of their oral or dental diseases.Some of those CHD patients may not be even aware of that they have CHD or the severity of their disease,and some of them may not know well for the medications they are taking.All of those situations may increase the risk of acute CHD event or other complications during clinical processes either for diagnosis or treatment in dental clinics.Therefore,it is important for dentists to learn basic knowledge of CHD including epidemiology and clinical characteristics and treatments of CHD.