The survival time of patients with coronary artery disease is related to the length of time of onset, the appropriateness of treatment, the stage of disease progression, the type of onset and other factors, and cannot be generalized. If atherosclerotic lesions occur in the coronary vessels, as the disease progresses, it may cause narrowing or blockage of the lumen of the vessels, resulting in myocardial ischemia, hypoxia or necrosis and leading to heart disease, often referred to as coronary atherosclerotic heart disease, or coronary heart disease for short. If a patient with coronary heart disease has had a myocardial infarction or even combined heart failure, the prognosis is usually poor, with a relatively short survival time, and sudden death can occur in severe cases. However, if they can cooperate with effective treatment and develop good lifestyle habits, the 10-year survival rate can reach more than 80%. In case of mild coronary artery disease, after standardized and reasonable treatment, most patients can get effective control of their disease, which usually does not affect their life expectancy and can survive for a long time. Patients are advised to develop good lifestyle habits, not to smoke, not to drink alcohol, to do proper exercise, to avoid long-term mental tension and stress, to maintain a good state of mind, to work and rest regularly and to get enough sleep.