How to treat a ground glass nodule 7 x 4mm needs to be determined by the type of lesion, which mainly includes anti-infective treatment, surgical resection, and daily care. Common causes include inflammation, early lung cancer and lymph nodes in the lungs. 1. Inflammation, pathogenic infection will cause inflammation in the lungs, and inflammatory exudation will cause corresponding changes. If it belongs to the acute inflammatory stage, anti-inflammatory drugs, such as moxifloxacin, can be applied. 2. Early stage lung cancer, the nature of the lesion itself cannot be determined at present, if it is diagnosed as cancer through review or puncture biopsy, radical resection can be done through surgery. 3. Lymph nodes in the lungs, small lymph nodes in the lungs can also cause corresponding changes, most of them will not cause specific symptoms, you can first observe them regularly, usually pay attention to avoid excessive contact with dust or cold air, pay attention to conditioning the body and enhance the physical quality. Lung glass nodule 7×4mm, in the process of review, there is a continuous increase, need to consult a doctor in time to observe, diagnose the specific condition and then do further treatment, to avoid delaying the condition.