Clinically, for the treatment of pulmonary cysts, different treatment methods need to be adopted according to the size of the cyst and the severity of the patient’s symptoms: 1. Patients with a diameter of <2 cm choose conservative treatment methods, which can be closely observed and regularly reviewed, and if the phenomenon of infection occurs, anti-inflammatory treatment can be carried out by using cephalosporin antibiotics. 2. Patients with a diameter of pulmonary cysts >2 cm usually have recurrent infections or even bleeding and other symptoms, and should undergo surgery in a timely manner. At present, surgery is the only treatment method that can completely cure pulmonary cysts, according to the site, number and size of cysts, choose the appropriate surgery method, generally in the postoperative prognosis is good, but patients should pay attention to increase their immunity in daily life to prevent lung infection.