There are many causes of multiple nodules in the lungs, which may be due to infection, tuberculosis, tumor, etc. Different diseases are treated with different means. If the inflammatory nodules are caused by lung infections, anti-infective treatment can be carried out, for example, bacterial infections can be caused by the use of drugs such as cefuroxime or levofloxacin. If the lung nodules are caused by tuberculosis, anti-tuberculosis drugs such as rifampicin and isoniazid are usually used for active anti-tuberculosis treatment. After active treatment, the above nodules can usually shrink or disappear. If the multiple nodules in the lungs are caused by metastatic tumor in the lungs, this case belongs to the advanced stage of cancer. In this case, it is necessary to search for the primary lesion and focus on actively treating the primary tumor. Multiple nodules in the lungs can also be caused by long-term exposure to dust, polluted environment, etc. These nodules are usually small and without clinical manifestations. In general, no medication is needed for treatment, and regular follow-up of chest CT is needed to observe the changes of the nodules. Multiple nodules in the lungs can also be caused by other diseases. If you find nodules in the lungs, you should pay attention to them, consult a doctor in time to clarify the cause of the disease, and follow the doctor’s instructions to take targeted treatment.