50 years old with coronary heart disease can carry out ordinary physical activities, but heavy physical activities are not recommended. Coronary artery disease patients is the emergence of coronary artery stenosis, to assess the severity of the blood vessels through coronary angiography, the condition of relatively mild patients, to oral aspirin, atorvastatin, isosorbide nitrate and other drugs, the condition of the stable can be appropriate to carry out ordinary physical activities, such as daily chores, on the stairs shopping, etc., but is not recommended to carry out heavy physical activities, such as climbing mountains, moving heavy objects, etc.. Coronary artery severe stenosis patients, such as coronary artery three branch lesions, to avoid work, usually can be appropriate activities, but to master the amount of exercise, excessive exercise may aggravate myocardial ischemia, may induce the occurrence of acute ischemia, and even endanger the life safety. 50-year-old patients with coronary heart disease to assess the severity of the disease under the guidance of a physician, appropriate exercise, regular treatment.