Calcification of tuberculosis may lead to the formation of ground-glass nodules. In addition, ground-glass nodules may also be caused by inflammation or other malignant tumors. It is recommended that the patient undergoes relevant examinations to clarify the cause of the disease and treat the cause of the disease. A ground-glass nodule is a nodule in the lung that appears as a cloudy density on thin-section CT. Ground glass nodules may be caused by tuberculosis, inflammation or malignant tumors. Tuberculosis is caused by the erosion and infection of tubercle bacilli, resulting in the appearance of nodular shadows in the lungs. And this nodular shadow is most likely to be ground glass nodules. Patients diagnosed with ground-glass nodules in the lungs should follow the doctor’s instructions to have regular follow-up CT observation. Based on the imaging features and their changes, the risk of lung cancer in ground-glass nodules needs to be assessed to choose a treatment plan.