If patients have chest distension accompanied by stomach pain, the following diseases should be considered: 1. High-risk chest pain must be excluded. High-risk chest pain includes acute coronary syndrome, acute tension pneumothorax, pulmonary embolism, and aortic coarctation, and the above four diseases will have chest distension accompanied by stomach pain, and although the incidence is low, the mortality rate is high. 2. Patients must be treated immediately once the above conditions occur. 2. When patients have different degrees of cardiac insufficiency, such as coronary atherosclerotic heart disease, myocarditis, pericarditis, they will also have chest distension, and some patients will have reflexive pulling causing abdominal pain. 3. Some digestive system diseases, such as acute gastroenteritis, cholecystitis, pancreatitis, will also have abdominal pain accompanied by chest distension.