Chest and back pain may be associated with the following diseases: i. Coronary atherosclerotic heart disease, which will have clinical manifestations of chest pain, typical angina pectoris chest pain manifested as posterior sternal crush-like pain, lasting from a few seconds to several minutes, rest or sublingual nitroglycerin symptoms can be relieved, with or without shoulder and back pain, while acute myocardial infarction pain will be more intense, usually lasting more than thirty minutes, rest or Application of nitroglycerin may not relieve the pain, accompanied by shoulder and back pain, with sweating and near-death feeling; second, aortic coarctation, can appear severe, unbearable, knife-like intense pain, pain usually with the tearing of the coarctation and pain location of the shift; third, pulmonary embolism, the typical clinical manifestations of pulmonary embolism is chest pain, hemoptysis, dyspnea; fourth, pancreatitis, esophageal cancer, acute and chronic gastritis, gastric ulcer and other diseases can also cause pain in the chest and back.