Coronary heart disease is a common disease among the elderly, and the emergence of this disease can easily induce other more serious cardiovascular diseases, and even life-threatening. Elderly patients with coronary heart disease need to be treated as soon as possible, and at the same time, we should pay more attention to prevention, and pay attention to the following points. 1, smoking on the physical and mental health of the damage is very serious, but also affect the treatment of coronary heart disease and other diseases, and thus the prevention of coronary heart disease, must quit smoking. According to the relevant data show that after quitting smoking, the total morbidity and mortality rate can be reduced by about 36%. 2, reasonable diet coronary heart disease patients to regulate the dietary structure, to develop good eating habits is necessary, especially to have strict control of the total calories, the basic dietary requirements are low-fat, low-salt, light, less stimulation, easy to digest and rich in fiber, and eat more fresh vegetables and fruits. And to emphasize the regularity of the diet, three meals a day to do regular and quantitative. Can be a small number of meals, but pay attention to the dinner can not eat too late, not before bedtime meal, and to prevent overeating and hunger and satiety. 3, weight control body overweight, obesity will increase the incidence of coronary heart disease, the elderly if in the state of obesity, must pay attention to appropriate weight loss, strict weight control. Some elderly patients do not look very fat, but the accumulation of abdominal fat, medically known as abdominal obesity. Abdominal obesity is a high-risk factor for the occurrence and development of metabolic syndrome, but also an important risk factor for the progression of coronary heart disease in the elderly, therefore, abdominal obesity patients must also be strict weight control. 4, appropriate exercise for the elderly to carry out appropriate aerobic exercise, is quite necessary to enhance physical fitness at the same time, but also on the chest tightness, palpitations, shortness of breath and other symptoms of relief, suitable for the elderly coronary heart disease of the exercise program are walking, swimming, cycling, playing tai chi, practicing qigong and gymnastics and so on. 5, control blood pressure, many elderly people are prone to high blood pressure phenomenon, is to be vigilant, timely and effective antihypertensive measures including drug and non-drug treatment measures. Drug treatment is decided by the doctor, and non-drug treatment is mainly rely on patients to form a good lifestyle and correct bad habits to achieve the purpose, such as having an optimistic and open-minded state of mind, maintain a low-salt, low-fat diet, adhere to appropriate sports and quit smoking and avoiding alcohol and so on. Coronary heart disease is more prevalent among middle-aged and elderly people, and anyone can have the disease, only early prevention can reduce the incidence of coronary heart disease.