Postoperative patients with chest tightness and heartburn hiccups should first consider cardiogenic factors, such as coronary artery disease, angina pectoris or acute myocarditis, acute pericarditis, or endocarditis can lead to insufficient blood supply to the heart, and therefore there will be chest, tightness and heartburn, palpitations, and in severe cases, acid reflux and heartburn accompanied by digestive system maladjustment symptoms and hiccups. If there are serious cardiogenic diseases, such as the above-mentioned diseases that lead to heart failure, especially in right heart failure the patient will have obvious digestive system symptoms that are directly related to its and gastrointestinal stasis, and the patient will have abdominal distension, abdominal pain, nausea, acid reflux, heartburn, and poor nausea. At this time, there will be clinical symptoms such as heartburn and hiccups, and in severe cases, they may cause severe nausea and vomiting. If the patient has digestive system diseases, such as gastroduodenal ulcer, reflux esophagitis, bile reflux gastritis and other factors may also cause the above conditions.