The dietary taboos of myocardial infarction are: acute stage: light and digestible diet to ensure adequate nutrition; Chronic stage: balanced nutrition, intake of various nutrients, eating more vegetables and less meat, especially eating less animal viscera, fat meat and seafood; Control the amount of drinking water: live within our means to avoid acute heart failure caused by excessive intake of water; Obesity, hypertension, diabetes, hyperlipidemia: we should control food intake and eat a low-salt, low-sugar and low-fat diet.