Myocardial infarction refers to the occurrence of ischemia and hypoxia in cardiac muscle cells, leading to necrosis of these cells. It is a very serious condition of the heart. Patients with myocardial infarction should pay attention to lifestyle adjustments, such as quitting smoking, limiting alcohol, adopting a low-salt and low-fat diet, eating less or avoiding fatty meat and animal offal, and avoiding staying up late, emotional excitement, fatigue, etc. It is also important to control high-risk factors of myocardial infarction, for example, patients with hypertension should control their blood pressure, those with diabetes should manage their blood sugar, and patients with high blood lipids should control their blood lipid levels and ensure they meet standard levels, etc., follow doctor’s advice, take medications on time, and have regular check-ups, etc.