Frosted glass lung nodule grows from 8mm to 13mm in 4 months, timely surgical treatment is recommended. Ground glass lung nodules may be caused by chronic inflammation, or traumatic infection and other factors, or may belong to malignant tumors and other causes. If there is no symptom and no change in size, usually no special treatment is needed, and regular recheck. However, if the size of the nodule grows from 8 to 13 millimeters in 4 months, it is recommended that the nodule be removed by surgery in time to avoid malignant changes or spreading. Frosted glass lung nodule grows from 8mm to 13mm in 4 months, it is recommended to go to the local regular hospital for lung enhancement CT, tissue biopsy and other examinations in a timely manner, and follow the doctor’s instructions to carry out systematic treatment.