The main manifestation of lymphangioleiomyoma may be progressive dyspnea with gradual increase in degree, it may also manifest as recurrent pneumothorax or celiac chest, the manifestation may be unilateral or bilateral, symptomatically there may be a dry cough, some sputum or blood in the sputum may be present in the case of infection, and some of the patients may have wheezing and stridor. In addition, there are also some symptoms other than pulmonary, such as celiac pericardial effusion, ascites, if you do the examination of pulmonary function, there can be ventilation dysfunction or most of them may have diffusion dysfunction, and the examination of chest CT can see diffuse cystic changes in both lungs.