According to the World Health Organization, about 12 million people die each year from cardiovascular disease worldwide, so this type of disease is recognized as the world’s “number one killer” and has become one of the major diseases that seriously affect the workforce and threaten lives. Winter is a dangerous time for people with cardiovascular disease. It is extremely important to actively work on prevention and to “kill” the disease before it strikes. In winter, many people with coronary heart disease or their families become nervous about whether angina pectoris and myocardial infarction will be triggered. Some patients are simply admitted to the hospital early, but in fact, there is absolutely no need. In fact, it has been proven that the majority of coronary heart patients in winter as long as they maintain a good attitude, take positive and effective health care measures, adhere to the medication, is completely safe through the cold winter. First of all, coronary heart patients must go to the hospital for a thorough examination to fully understand the extent of their disease development, so that they have a good idea. The doctor will prescribe a long-term prescription based on the condition, combined with the characteristics of climate change, and determine the time of review. In addition, you should also prepare some emergency drugs, such as nitroglycerin tablets, cardiac pain, quick-acting heart pills, etc., so that you can be prepared, and it is best to have people around you at home who also know how to take medication. For the treatment of coronary heart disease has a long-term process, it is very necessary to adhere to the medication. Some patients stop taking medication when they feel better or no symptoms appear, which is more dangerous in winter when there are more triggering factors. The decision to stop medication should be made by the doctor. Some patients forget to take it during the New Year’s Day and Spring Festival, and family members must give reminders. Abnormal mood swings can aggravate the condition of coronary heart patients. In winter, when the climate is cold and the air pressure suddenly drops to form dreary weather, people can become depressed, frustrated, swollen and distracted into a situation where they don’t know what to do. Coronary heart patients must try to regulate free emotions, more sunshine, participate in some group activities organized by the elderly, calligraphy, dancing, chess, listening to music, watching TV can effectively regulate emotions. The cold can cause vasoconstriction, poor blood flow and insufficient blood supply, which is an important cause of coronary heart disease induced angina and myocardial infarction. Therefore, people with coronary heart disease should pay special attention to keep warm and wear enough clothes. Because of the large temperature difference between indoor and outdoor in winter, it is necessary to add and remove clothes at any time when entering and leaving, do not be too much trouble. Also pay attention to the protection of the head and feet, because “the head cold cold through the heart, feet warm all over”. When the climate is cold, people need to supplement the higher heat, coronary heart patients should not be overly jealous of mouth, should eat more meat, such as beef, mutton, fish, milk, eggs to increase the body’s resistance to cold and resistance. But also pay attention to the excess diet, resulting in obesity, for people suffering from heart disease is also not good. In addition, eating less vegetables in winter, you should also eat more fruits to supplement vitamins. When the weather is better, coronary heart patients can go outdoors for walking, jogging, gymnastics and other physical activities. Because proper exercise can improve blood circulation, active metabolism and mediate the psychological state, it is still beneficial to overcome the depression often caused by winter and strengthen heart function.