Because there are many causes of chest pain, you can hang up cardiology, cardiothoracic surgery, gastroenterology and so on. Diseases that cause chest pain are mainly coronary heart disease, pulmonary embolism, pericarditis, pleurisy, reflux esophagitis, rib fracture and so on. 1. Coronary heart disease: coronary atherosclerotic heart disease, mostly due to coronary artery stenosis and occlusion. Typical manifestations are chest pain, chest tightness, and aggravation after activity. 2. Pulmonary embolism: endogenous or exogenous embolus blockage of the pulmonary artery, causing pulmonary circulation disorders. Chest pain, dyspnea, hemoptysis, etc. can be seen clinically. 3. Pericarditis: acute and chronic inflammation of the pericardium, which can be caused by infection, autoimmunity, etc. Clinical manifestations include chest pain, coughing, and aggravation when changing positions. 4. Pleurisy: it is an inflammation that occurs in the pleural cavity, with chest pain, cough, fever and dyspnea as the main symptoms. 5. Reflux esophagitis: mostly caused by the reflux of stomach and duodenal contents into the esophagus. Clinical manifestations include chest pain, burning pain, epigastric pain and other indigestion manifestations. 6. Rib fracture: mostly caused by direct or indirect violent trauma, clinical manifestations of chest pain, pain aggravated by deep breathing or coughing. So there are many causes of chest pain, pain is the external reflection of the disease, it is recommended to timely hospital consultation, identify the causes and then treatment.