If the patient’s lungs are recurrently infected, it is necessary to pay attention to whether there is a combination of tuberculosis or tumor and other related diseases, and it is necessary to further improve the sputum test for antacid bacilli, tumor series or bronchoscopy. If the patient is diagnosed with combined tuberculosis infection, anti-tuberculosis treatment should be carried out along with antibiotics, and commonly used drugs include isoniazid, rifampicin, pyrazinamide, streptomycin and so on. If the patient is considered to have a malignant tumor of the lung after relevant examinations, according to the size of the imaging, the patient’s physical condition, consider whether there is an indication for surgery, preferred surgical treatment when there is an indication for surgery, or consider radiotherapy, chemotherapy, targeted cellular drug therapy, immunotherapy, and if the patient repeatedly develops lung infections, pay attention to the possibility of the above two diseases.