Cardiothoracic Surgery looks at cardiovascular surgical diseases and general thoracic diseases. Common diseases include valvular disease, coronary heart disease, lung disease, and chest wall disease. 1. Cardiovascular surgical diseases: including arterial duct failure, pulmonary stenosis, atrial septal defect, ventricular septal defect, tetralogy of Fallot, chronic constrictive pericarditis, mitral stenosis, mitral valve closure insufficiency, aortic valve stenosis, aortic valve closure insufficiency, coronary atherosclerotic heart disease and so on. 2. General thoracic diseases: including chest wall, pleura, esophagus, trachea, lung, mediastinum, etc. Common diseases include costochondritis, chest wall tuberculosis, acute pyothorax, chronic pyothorax, mediastinal tumors, esophageal cancer, bronchial dilatation, lung cancer and so on. All of the above diseases can be seen in cardiothoracic surgery and diagnosed and treated in accordance with the doctor’s instructions. Normally, you need to keep a positive and optimistic mood to maintain physical and mental health.