There is no nodule on a healthy lung lobe, and a 0.7cm ground glass nodule on a lung lobe is abnormal, but whether it is serious or not needs to be analyzed in conjunction with the nature of the nodule, and it is recommended to consult a doctor in time. If the 0.7cm ground-glass nodule on the lung lobe does not break through the basement membrane, there is no burr around the nodule, there is no pleural pulling sign, the density of the ground-glass nodule is uniform, and the center does not appear to have a biased substantive lesion, it is generally considered to be a benign lesion, which is not very serious, and it can be cured by treating the cause. However, if a 0.7 cm ground-glass nodule on the lung lobe has broken through the basement membrane, burrs appear around the nodule, pleural pulling signs appear, the density of the ground-glass nodule is uneven, and there is a bi-substantial lesion in the center, it is generally considered to be a malignant lesion, which is more serious, and needs to be resected surgically, and radiotherapy is performed if necessary. When glass nodules appear on the lobes of the lungs, it is recommended to go to the hospital in time for examination, to clarify the cause of the disease, and to treat the symptoms, and if there is any discomfort, it is recommended to inform the doctor in time.