Patchy shadows on the lungs, first find out the cause of patchy shadows on the lungs as much as possible and then treat different diseases differently. Patchy shadow on the lungs, the main diseases are pneumonia, tuberculosis, connective tissue lung disease, lung malignant tumor, as well as other special diseases. 1. Pneumonia: it can be caused by many reasons, such as bacteria, virus, fungus, mycoplasma, chlamydia and allergy, and generally accompanied by different degrees of patchy shadow, according to the different causes of lung infections caused by anti-infection, anti-virus, anti-fungus, anti-allergy and other treatments, and the effect is generally accurate. 2. Tuberculosis: mainly caused by Mycobacterium tuberculosis is an infectious disease, the lungs can appear speckled, patchy, nodular, cord-like and other imaging manifestations, combined with sputum smear and other tests, usually can be a clear diagnosis, combined with isoniazid, rifampicin, ethambutol, pyrazinamide and other drugs such as anti-tuberculosis treatment, the effect can be. 3. Connective tissue lung disease: glucocorticoid and other immune agents are effective. 4. Lung malignant tumor: sputum smear and biopsy pathological examination and immunohistochemistry are needed to further confirm the diagnosis, and radiotherapy, surgery and traditional Chinese medicine are adopted. 5. Some other special lung diseases. Please do not buy your own medicine for the treatment of pulmonary patchy shadow, please go to regular hospitals for a comprehensive examination and standardized treatment after a clear diagnosis.