Elderly people with chest pain need to consult the Department of Thoracic Surgery or the Department of Cardiovascular Medicine, for such symptoms there may be thoracic infections or lung tumors, pleural inflammation, pleural effusion, pneumothorax, as well as intercostal nerve inflammation, and some patients may even have myocardial ischemia, myocardial infarction, thoracic aortic coarctation, and other related diseases. Through perfecting chest imaging examination and heart related examination, the specific condition can be clarified, and after clarifying the specific condition, more effective measures can be taken for treatment. If the patient perfects chest CT and finds that there is internal thoracic cavity infection or pleural inflammation, antibiotics can be dripped to carry out effective anti-infection treatment.