“过敏性肺炎”是一个笼统的名称,顾名思义,它指的是过敏原吸入肺部后,在肺深处发生变态反应,引起呼吸道及周身症状的一类疾病。书刊文献中,曾有各种不同命名,例如:外源性过敏性肺泡炎、肺泡过敏症、过敏性肺炎症、呼吸膜过敏症及间质肉芽肿性肺炎症等。另外,“过敏性肺炎”亦指嗜酸细胞肺浸润一类疾病,因其发病原理也是以过敏反应为主的。这两类疾病有不少共同点,也有一些不同 “Allergic pneumonia” is a generic name, as the name suggests, which refers to a group of diseases in which allergies inhabit the lungs, develop allergic reactions in the depths of the lungs and cause respiratory and systemic symptoms. Books and literature, there have been a variety of different names, such as: extrinsic alveolar inflammation, alveolar allergy, allergic pneumonia, respiratory membrane allergy and interstitial granulomatous pneumonia and so on. In addition, “allergic pneumonia” also refers to a class of diseases such as eosinophilic pulmonary infiltrates, because its pathogenesis is based on allergic reactions. There are a lot of similarities and differences between these two types of diseases