Retrosternal pain is commonly seen in angina pectoris, myocardial infarction, mediastinal tumor, esophagitis, esophageal cancer, aortic dissection aneurysm, acute bronchitis and other diseases. What kind of disease causes retrosternal pain should be determined according to the patient’s accompanying symptoms and relevant examinations. If the patient has a history of coronary artery disease, the pressure-like pain behind the sternum occurs when the patient is tired or emotionally stimulated, and lasts for a few minutes each time, and disappears after resting or taking drugs such as nitroglycerin, it is commonly seen in angina pectoris. If the patient first has a sore throat, fever, headache, cough, sputum and other symptoms, followed by the appearance of the retrosternal burning pain, discomfort, commonly found in acute bronchitis. When the patient develops retrosternal pain when swallowing food, which may be burning or pins and needles pain, accompanied by dysphagia, etc., esophageal cancer and other digestive system diseases are often considered.