Multiple nodules in both lungs can be caused by a variety of diseases, including tuberculosis, pulmonary mycosis, malignant tumors, etc., and need to be analyzed according to the specific circumstances. 1. Tuberculosis: Blood-borne tuberculosis can be manifested as multiple nodules in both lungs, which can be treated with standardized anti-tuberculosis therapy, such as isoniazid, rifampicin, pyrazinamide and other drugs. 2. Pulmonary fungal disease: pulmonary fungal infection can cause single or multiple nodules in the lungs, which can be treated with antifungal drugs, such as voriconazole, itraconazole, amphotericin B and so on. 3. Malignant tumors: for malignant nodules, strict evaluation of surgical indications is needed, surgical resection of nodules if surgical treatment can be performed, and chemotherapy and targeted therapy need to be considered if surgery cannot be performed. If multiple small nodules in the lungs are caused by metastases from other parts of the body, the primary tumor needs to be actively treated. Multiple nodules in both lungs can also be caused by other diseases, such as tuberculosis. If you find multiple nodules in both lungs, it is recommended to consult a doctor in time, complete the examination, clarify the cause of the disease, and standardize the treatment under the guidance of the doctor.