The life expectancy of patients with coronary atherosclerotic heart disease is mainly related to factors such as the patient’s treatment and the degree of disease progression, and cannot be generalized. Coronary atherosclerotic heart disease, referred to as coronary heart disease, leads to insufficient blood supply to the heart, causing symptoms such as chest tightness, chest pain and shortness of breath. Generally, lifestyle interventions such as smoking cessation, low-salt and low-fat diet, moderate exercise and exercise, and standardized medication usually do not affect the life expectancy of patients. Without active and effective treatment, complete occlusion of coronary arteries can lead to myocardial infarction as the condition worsens. Large myocardial infarction can lead to abnormal cardiac hemodynamics and cause cardiogenic shock, and some patients can die within minutes to hours without timely treatment. Patients with coronary artery disease should be reviewed regularly at the hospital, under the guidance of doctors for prevention and treatment of coronary artery disease, and actively treat comorbidities such as hyperlipidemia, hypertension and diabetes.