慢性嗜酸性粒细胞性肺炎(chronic eosinophilic pneumonia,CEP),为肺嗜酸性粒细胞浸润症的其中一种,以气道或肺实质嗜酸性粒细胞浸润为特征,主要临床表现为外周或组织中的嗜酸性粒细胞增多,伴肺部体征或胸部影像学异常[1]。本病在我国属少见病,目前西医治疗以糖皮质激素(OCST)为主,虽大多数患者对OCST反应良好,但部分存在症状反复难以停药,停药后易复发,以及长期应用激素带来副 Chronic eosinophilic pneumonia (CEP), one of pulmonary eosinophilic infiltrates, is characterized by airway or parenchymal eosinophilic infiltrates, the major clinical manifestation being peripheral or tissue Of eosinophilia, with signs of lung or chest imaging abnormalities [1]. The disease is rare in our country, the current treatment of Western medicine to glucocorticoid (OCST) -based, although most patients respond well to OCST, but some symptoms are difficult to discontinue withdrawal, easy to relapse after stopping, and the long-term use of hormone band To deputy