The following people are prone to myocardial infarction: 1. Patients with a family history of coronary heart disease are more likely to have myocardial infarction. 2. Patients with atherosclerotic plaques in the coronary arteries and who have had coronary atherosclerotic heart disease, combined with unstable angina, or who have had a history of myocardial infarction, are prone to cardiovascular restenosis and are therefore more likely to have myocardial infarction. 3. Patients with poor lifestyle habits, such as smoking, alcoholism or staying up late, and those with poor rest and sleep quality, are all susceptible to myocardial infarction. 4. Patients with high blood pressure, high blood cholesterol and high blood sugar are also susceptible to myocardial infarction.