Pure ground glass micro-infiltrating lung adenocarcinoma is mainly treated by surgery, while patients who are not suitable for surgery can adopt radiotherapy and chemotherapy. Pure ground glass micro-infiltrating adenocarcinoma is a kind of lung cancer with lower malignant degree and better prognosis, with less infiltration to the surrounding tissues and no metastasis to distant organs, which is a kind of early cancer. The disease is mainly eradicated by surgery. Currently, thoracoscopic lobectomy or segmental resection is the main treatment, which can completely remove the tumor and clear the surrounding lymph nodes, and the surgery is less traumatic and less likely to recur after the surgery. If the patient cannot tolerate surgery, radiotherapy is also available. Milled glass nodules in the lungs are common lung lesions, once found, should promptly go to the hospital, under the guidance of a professional doctor for diagnosis and treatment, and after the operation, should strictly follow the doctor’s instructions for regular review.