Common causes of chest pain include: 1, inflammation Dermatitis, non-suppurative costochondritis, herpes zoster, myositis, epidemic myalgia (epidemic myalgia), pleurisy, pericarditis, mediastinitis, esophagitis, and so on. 2.Visceral ischemia Angina pectoris, acute myocardial infarction, cardiomyopathy, pulmonary infarction and so on. 3.Tumor Compression or infiltration of primary lung cancer, mediastinal tumor, myeloma, leukemia and so on. 4.Other causes Spontaneous pneumothorax, thoracic aortic aneurysm, entrapment aneurysm, hyperventilation syndrome, trauma, cardiac neurosis. etc. 5.Post-surgical side effects, such as pain after mastectomy and thoracotomy Finding the cause of pain is the first place, and it is also very important to choose the appropriate treatment according to different causes and patients’ own conditions.