Usually with multiple pulmonary nodules, inflammation caused by the drug treatment can choose antibiotic drugs, other causes, need to be symptomatic treatment. The main causes of pulmonary nodules include tuberculosis, fungi, malignant tumors and occupational factors. 1. Tuberculosis: If the cause of lung nodules is caused by tuberculosis, it may be accompanied by coughing, coughing up blood and low fever in the afternoon, and need to take anti-tuberculosis drugs under the guidance of the doctor, including rifampicin, ethambutol and streptomycin, etc. Usually, after the improvement of anti-tuberculosis treatment, patients can take antibiotic drugs. Usually, after anti-tuberculosis treatment, the lung nodules can have the possibility of disappearing. 2. Fungal infection: Patients suffering from lung nodules may have fungal infections that cause the organism to become ill. In this case, anti-fungal drugs, including clarithromycin and roxithromycin, need to be taken. After the antifungal treatment improves, the lung nodules can have the possibility of disappearing. 3. Occupational factors: such as certain people who often work in asbestos or dust environment without proper protection, it may also lead to some silicosis, pneumoconiosis, etc., and lung nodules appear. Medications can be used such as hanfenacin, acetylcysteine, pirfenidone and so on. 4. Malignant tumor: lung nodules may be malignant, which may be lung tumors or lung metastases caused by malignant tumors in other parts of the body. In the case of exclusion of contraindications to surgery, the main active surgical treatment, drug therapy needs to be symptomatic. Multiple pulmonary nodules need to attract enough attention, and need to go to the hospital as soon as possible for targeted treatment.