Sudden growth of lung nodules may be benign hyperplasia, infected nodules or malignant nodules, which can be treated with medication, surgery, radiotherapy, etc. according to the situation. 1. Benign hyperplasia: Lung nodules may be due to long-term smoking, exposure to dust or polluted air caused by local tissue hyperplasia caused by benign nodules. Generally, no special treatment is needed in this case, but you need to quit smoking, stay away from polluted environments, and follow up regularly. 2. Infected nodules: If the nodules are caused by bacterial infection, they can be treated with antibiotics such as levofloxacin. If the nodules are caused by fungal infection, antifungal treatment can be carried out with drugs such as fluconazole and itraconazole. If it is tuberculosis, anti-tuberculosis treatment is needed, commonly used drugs such as rifampicin, isoniazid and ethambutol. 3. Malignant nodules: If the examination is clear or highly suspected that it may be malignant nodules, it can be treated by surgical resection of the lesion. If the malignant tumor has metastasized and lost the indication of surgery, radiotherapy can be given according to the condition. For patients with higher degree of malignant tumor but higher age or poor cardiopulmonary function who do not have surgical conditions, radiofrequency ablation treatment can be adopted. Sudden growth of lung nodules can be caused by a variety of reasons, patients are advised to go to the hospital for further examination to clarify the nature of the nodules, and actively cooperate with the treatment or regular follow-up under the guidance of the doctor.