Pure ground glass nodule 1cm from the size can not judge whether it is serious, need to be judged from the nature. Pure ground-glass nodule generally refers to the patient’s lungs with nodular hyperdensity contrast, because the border is not clear and the density of the lesion can not cover the bronchial vascular bundles is called pure ground-glass nodule. If the nodule is benign, it is not a serious condition, and if it is malignant, it is a serious condition. As the treatment varies with the type of ground glass nodule, pure ground glass lung nodule, if the pathological diagnosis is malignant, then lung segmentectomy is performed to avoid nodule enlargement or lesion. After the surgery, patients should improve their lifestyle, exercise properly to improve their immunity and reduce the chance of lesions. If it is benign, it can be observed temporarily and reviewed regularly. It is recommended that patients with ground-glass nodules go to the hospital for diagnosis and treatment under the guidance of a doctor.