Lung nodules can be caused by tuberculosis, lung inflammation, lung tumors, inflammatory nodules, etc. Different treatments are needed according to different diseases. 1. Tuberculosis: If the nodules are caused by active tuberculosis, they may be nodules caused by the spread of Mycobacterium tuberculosis. After the diagnosis of tuberculosis, anti-tuberculosis drugs such as rifampicin, isoniazid, pyrazinamide, streptomycin and ethambutol should be standardized. 2. Lung inflammation: If lung nodules are caused by infection, the pathogen needs to be clarified and then effective treatment should be carried out. If it is caused by bacterial infection, it can be treated with antibiotics such as amoxicillin, piperacillin sodium and levofloxacin, etc.; if it is caused by fungal infection, it can be treated with fluconazole, voriconazole, amphotericin B and other drugs for antifungal treatment. 3. Lung tumor: if lung nodules are caused by primary malignant tumor of lung, surgical resection can be used; if caused by metastasis of malignant tumors in other parts of the body, it is necessary to clarify the primary tumor foci and actively treat the primary foci. 4. Inflammatory nodules: Lung nodules are caused by smoking, air pollution, occupational factors, etc. These nodules are generally small and do not cause clinical symptoms. No special medication is needed for treatment, and regular follow-up to observe the size of the nodules is sufficient. In addition, lung nodules can be caused by other diseases. If you find lung nodules, it is recommended that you go to a regular hospital for further examination, to identify the cause with the help of your doctor, and to carry out targeted treatment or therapy.