The treatment of 50 diffuse nodules in both lungs usually depends on the cause of the disease, which is usually caused by pneumoconiosis, tuberculosis, tumor metastasis, etc. Patients are advised to find out the cause of the disease and then treat the symptoms. 1. Pneumoconiosis: Diffuse nodules in both lungs may be caused by pneumoconiosis. Patients are advised to strengthen overall health management in daily life and not to choose to work in a dusty environment, or they can use medicines under the guidance of doctors to carry out treatment, such as hanpengi methylester, kesiapine and so on. 2. Tuberculosis: If patients have diffuse nodules caused by tuberculosis, it is recommended to do anti-tuberculosis treatment first, and patients can use drugs such as rifampicin, isoniazid and ethambutol under the guidance of doctors for treatment. 3. Tumor metastasis: If the diffuse nodules are caused by tumor metastasis, patients should actively cooperate with doctors to carry out anti-tumor treatment, such as targeted drug therapy, radiotherapy, chemotherapy and so on. It is recommended to go to the hospital for relevant examination and treatment according to the cause of the disease.