Patients with ground glass nodules in the anterior endobasal segment of the lower lobe of the left lung can be treated by taking anti-inflammatory drugs for anti-inflammation and surgical resection, although the specific treatment should be determined by a number of factors such as the size of the nodule and the patient’s physical condition. It is recommended that patients should go to regular hospitals for diagnosis and treatment. Ground glass nodules in the anterior endobasal segment of the lower lobe of the left lung are most commonly seen in chronic lung infections, malignant tumors and so on. The size of the nodule varies with the treatment method, therefore, different treatment programs should be chosen according to the size and shape of the nodule. 1. Anti-infection treatment: If the nodule is detected at an early stage and the possibility of benignity is considered to be high, anti-inflammatory drug levofloxacin can be taken first, which should not be overdosed, and during the period of medication, the patient should also be brought to the hospital for regular rechecking. 2. Surgical resection: If the nodule has not become smaller through anti-infection treatment, CT examination, bronchoscopy and other examinations should be carried out to further clarify the diagnosis, and according to the diagnostic results of the consideration of whether or not to carry out surgical resection treatment, but in the postoperative period, we need to pay attention to rest, and develop a good habit of life.