If the examination suggests chest pain and shadows in the lungs, it is considered to be tuberculosis, caused by inflammation or tumor in the lungs, and the details are divided into: First, old lesions, which do not have any symptoms themselves and have a history of tuberculosis, are considered to be old lesions. Second, pneumonia, manifested as cough, coughing and fever, can be treated with oral antibiotics. Third, tuberculosis, manifested as coughing, coughing sputum, low fever, wasting, etc., can be treated with anti-tuberculosis drugs. Fourth, tumor. Because there are many causes of chest pain and shadows in the lungs, it is recommended to go to a regular hospital for CT examination of the lungs more accurately, and chest X-ray is only used as a preliminary screening.