There are many ways to check whether a patient’s lungs are healthy.1. It depends on the patient’s accompanying symptoms, such as the patient’s cough, coughing sputum, fever and other symptoms, you can use the auscultation method and auscultate both lungs, if the breath sounds are clear and there are no dry and wet rales, it generally means that there are no major lung lesions. However, if the patient has a long-term, recurrent cough, cough sputum or to winter seasonal, or to summer seasonal, the patient is generally likely to be chronic bronchitis or bronchial asthma, such patients lung auscultation, generally will appear dry wet rales. 2, you can perform a chest X-ray examination or lung CT, these can be, patients take a film to do lung CT, to see if there are no lesions in the lung, inflammatory shadow, nuclei lesions or whether there is a long lung lesion, The patient can take a lung CT to see if there are any lesions in the lungs, inflammatory shadows, nodular lesions or if there are long things that can be identified. In addition, if the patient has venous edema of both lower extremities, heart failure or cancer, except for pulmonary thromboembolic lesions, a pulmonary CTA can be performed. There is also the percussion method, which can also determine whether there is any disease in the lungs.