Coronary heart disease is the abbreviation of coronary atherosclerotic heart disease. The incidence is high in all the countries especially in the developed countries. Recently, the incidence in China is increasing. The risk factors for coronary heart disease are hypertension, hyperlipemia, diabetes mellitus and cigarette-smoking. According to the diagnostic criteria made by WHO, coronary heart disease can be divided into: 1.primary sudden caridiac arrest; 2. angina pectoris; 3. my-0cardiac infarction; 4. heart failure due to coronary heart dis-ease and 5.arrhythmia. In this section, only angina pectoris and myocardiac infarction are described.

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