Multiple ground-glass nodules in the lungs, with a maximum diameter of 6mm, can be caused by inflammatory, tuberculosis and tumor, which are treated in different ways depending on their causes. 1. For inflammatory ground-glass lung nodules, you can choose sensitive antibiotics for anti-infection treatment, such as amoxicillin capsules, which need to be used under the guidance of a doctor. 2. For tuberculous ground-glass lung nodules, sputum culture can find Mycobacterium tuberculosis and tuberculin test is positive, and anti-tuberculosis treatment, such as isoniazid, rifampicin, etc., can be carried out after diagnosis. 3. For patients with tumorigenic ground-glass lung nodules, ground-glass nodules up to 6mm can be temporarily observed and regularly reviewed. If the imaging examination suggests signs of malignancy such as burr sign and lobulation sign, it is recommended to actively operate and send pathological biopsy to clarify the nature of the tumor after operation. For multiple ground-glass lung nodules, it is necessary to carry out review, if there is any discomfort, go to the hospital in time, and actively cooperate with the doctor’s treatment, so as to avoid delaying the treatment and affecting the therapeutic effect.