Coronary heart disease is a common heart disease, which can easily lead to the onset of coronary heart disease in the cold winter. How to prevent the onset of coronary heart disease? Patients with coronary heart disease should increase or decrease clothing at any time to avoid excessive temperature difference between indoors and outdoors. Vascular contraction may be caused due to untimely increase or decrease of clothing, which may cause hypertension and angina. For acute myocardial infarction, unstable angina, pay attention to develop good diet habits to prevent coronary heart disease. The following tells you how to prevent coronary heart disease in the cold winter. 1. There are many dinners during the holidays, but patients with coronary heart disease should be careful not to overeat, keep the diet light, eat spicy and other irritating foods, especially avoid eating greasy and fatty foods, drink as little as possible, avoid smoking, and Try to stay away from “second-hand” smoke. Chinese medicine believes that the winter season is best complemented by the period from the beginning of the winter to the beginning of the spring. Tonic should not be overdose, it should be different from person to person, with “food tonic” as the main factor. Those with qi deficiency and yang deficiency can choose some lamb, chicken, rabbit, longan and soy products with warming and tonic effects; those with yin deficiency and internal heat can choose some functions with supplementing deficiency, removing heat, viscera, and water Duck, goose and lily, yam, glutinous rice and mung bean. At the same time, we should pay attention to eating more fruits and fresh vegetables to supplement the corresponding vitamins. 2. Dressing Patients with coronary heart disease should increase or decrease their clothing at any time to avoid excessive temperature difference between indoor and outdoor. Vascular contraction will be caused due to untimely increase or decrease of clothing, which may cause hypertension and angina. For patients with acute myocardial infarction, unstable angina, recent stroke, high blood pressure and unstable blood pressure, daily medication and emergency medicine should be carried with you when going out to avoid accidents. 3. Emotional aspects During the festival, family and friends will inevitably be excited and excited, but excessive excitement and excitement will lead to increased blood pressure, increased heart rate and increased myocardial oxygen consumption, which can easily induce heart rhythm disorders, angina pectoris and myocardial infarction, and even cause sudden death. Therefore, during the holiday season, emotional stability, psychological balance, and happy spirit should be maintained, so as to benefit the health of patients with coronary heart disease and high-risk groups. 4. Activities During the festival, pay attention to the combination of work and rest, avoid overwork, and ensure enough sleep. Patients with coronary heart disease should keep their stools open to avoid excessive force during defecation, resulting in increased abdominal pressure, faster heartbeat, and increased myocardial oxygen consumption, which can induce angina pectoris, and even cause myocardial infarction or sudden death. Eat more foods rich in cellulose to prevent constipation. 5. Pay attention to rest patients with coronary heart disease should remember to take medicine regularly. Forgetting to take regular medicines because of disrupted life laws may lead to angina or myocardial infarction. When chest pain, chest tightness and other threats occur, you should lie down and rest. If necessary, you can take nitrate drugs. If the symptoms cannot be relieved quickly, you should seek medical treatment in time to avoid life-threatening.