Inferior wall infarction belongs to a type of myocardial infarction, and both are serious diseases that may be life-threatening. Myocardial infarction refers to insufficient blood supply to the myocardium due to coronary artery disease, causing myocardium to undergo severe ischemia and hypoxia, followed by necrosis of the myocardium, which manifests itself as chest pain, tightness in the chest, dyspnea, or even shock and sudden death, and according to the location of myocardial infarction can be classified as anterior myocardial infarction, high-lateral myocardial infarction, and inferior myocardial infarction, etc., and inferior wall infarction belongs to one type of myocardial infarction. All types of myocardial infarction are very serious diseases, the most serious of which is acute extensive anterior wall myocardial infarction, with a large infarct area and the most serious impact on cardiac function. Myocardial infarction requires prompt improvement with treatment such as coronary stenting and coronary artery bypass grafting. Any type of myocardial infarction is a very serious and fatal disease, and it is recommended to seek timely medical treatment and follow the doctor’s advice to cooperate with the treatment.