Right lung ground-glass nodule refers to the imaging examination suggests the presence of ground-glass-like changes in the lung, commonly found in lung inflammation, tuberculosis and early lung tumors and other diseases. If the right lung ground-glass nodule<5mm, may be lung inflammation, tuberculosis after the improvement of the old foci, belongs to the benign nodule, but does not completely exclude the possibility of malignant nodules. If the right lung ground glass nodule continues to increase in size and >5mm, we should be vigilant, it may be a malignant nodule caused by early tumors, such as early lung cancer, etc., but also to see whether there is a burr, foliation or cavities. To determine the nature of the right lung ground glass nodule, it is recommended to cooperate with a professional doctor as soon as possible percutaneous lung puncture biopsy to clarify whether the nodule is malignant. If the nodule is diagnosed to be caused by malignant tumor, timely surgical resection treatment should be carried out to control the condition in time and avoid further deterioration.