8mm’s pulmonary ground glass nodule has reached the clinical indications for surgical treatment, and the need for treatment should be analyzed in conjunction with its malignancy and the diseases that may have caused the pulmonary ground glass nodule. Pulmonary ground-glass nodules are divided into pure ground-glass nodules and mixed ground-glass nodules, which appear as cloudy density nodular shadows on CT, with bronchial tubes and blood vessels visible inside. For pneumonia and tuberculosis-induced ground-glass nodules, they are benign lesions that need medication, and will shrink or disappear after application of antibacterial drugs and anti-tuberculosis treatment; for lung ground-glass nodules caused by benign tumors, such as misshapen tumors and fibrous tumors, if there are no uncomfortable symptoms and no risk factors for lung cancer, they may be treated surgically according to the patient’s wishes, or they may be left untreated for regular follow-ups. For lung nodules caused by lung cancer and lung metastases, they are malignant lesions, which may be accompanied by symptoms such as cough, sputum, hemoptysis, etc. Once it is determined as malignant nodules or suspected that the possibility of malignancy is high in ground-glass nodules, it is necessary to actively operate. Milled glass nodules in the lungs, it is recommended to seek medical treatment, under the guidance of the doctor, reasonable and standardized treatment.