Lung 2cm mixed ground glass nodules are categorized into malignant and benign, which need to choose different treatments according to the symptoms, such as surgical treatment or drug treatment. 1. Malignant: If the 2cm mixed ground glass nodule in the patient’s body is malignant, if it is not treated in time, the malignant nodule will develop further and metastasis will occur, so it is recommended to choose surgical treatment as soon as possible to remove the cause of the disease, and apply radiotherapy and other treatments after the operation if necessary. 2. Benign: If the mixed glass nodules are benign, they may be caused by pneumonia, tuberculosis, or benign tumors in the lungs. (1) Pneumonia: often accompanied by fever, cough, sputum and other symptoms, can be oral or intravenous application of cephalosporins, penicillins and other anti-inflammatory drugs, the nodules may shrink or disappear after treatment. (2) Tuberculosis: often accompanied by low fever, night sweats, fatigue and other symptoms, application of isoniazid, rifampicin, streptomycin and other anti-tuberculosis treatment will shrink or disappear. (3) Benign tumors of the lungs: Surgical resection is recommended for 2cm benign tumors of the lungs to prevent malignant transformation. If you find 2cm mixed ground glass nodule in lung, you should go to the hospital for examination in time to find out the cause of the disease and cooperate with the treatment.