本病的发生与职业有密切关系,虽然吸入的抗原物质不同,但具有共同特点。外源性过敏性肺泡炎吸入的抗原可分为两大类,即植物和动物的有机粉尘。植物性粉尘中含有放线菌或霉菌孢子,较常见的有农民肺甘蔗渣肺、蘑菇工人肺、空调器肺、麦芽工人肺、乳酪工人肺、软木尘肺、红杉木沉着病等。动物类蛋白质粉尘,主要是鸟血清、鸟类或羽毛的蛋白质,如养鸽者肺等。其它抗原还有化学物质、昆 The occurrence of this disease and occupations are closely related, although different inhaled antigens, but have common characteristics. Exogenous allergic alveolitis inhaled antigen can be divided into two categories, namely, plant and animal organic dust. Botanical dust contains actinomycetes or mold spores, the more common are farmer’s lung bagasse lung, mushroom worker’s lungs, air conditioner’s lungs, malt worker’s lungs, cheese worker’s lungs, cork pneumoconiosis, sequoia’s disease and so on. Animal protein dust, mainly bird serum, birds or feathers of the protein, such as pigeon lungs. There are other antigens chemicals, Kun