Myocardial ischemia affects appetite. Clinical manifestations of myocardial ischemia include dyspnea and decreased activity tolerance during activity, and as the condition worsens, symptoms of right heart insufficiency such as decreased appetite, abdominal distension and lower extremity edema gradually appear. The pathological basis of myocardial ischemia is myocardial fibrosis. It is caused by long-term insufficiency of blood supply to the myocardium, nutritional disorders and atrophy of myocardial tissues, or proliferation of fibrous tissues after large myocardial infarction. Long-term ischemia of the myocardium leads to a decrease in the pumping function of the heart, and the blood in the gastrointestinal tract cannot return to the heart, resulting in gastrointestinal stasis. Gastrointestinal stasis can lead to a decrease in appetite, abdominal distension, nausea, and other clinical manifestations. Appearance of loss of appetite, should promptly go to the regular hospital to find out whether there are other diseases, under the guidance of the doctor for standardized treatment, so as not to delay the condition, resulting in adverse consequences.