农民肺系因吸入含嗜热性放线菌属的植物性粉尘,且主要侵犯肺泡的过敏性疾患,又称职业性过敏性肺炎或外源性过敏性肺泡炎。它是30多种外源性过敏性肺泡炎中具有代表性的一种。农民肺有急、慢性之分,反复发作可引起肺部不可逆的纤维化。Ramazzini于1713年最早报道了农民肺。近年来,对此病已引起了国内外学者的普遍关注。 Peasants lung system due to inhalation of plant fever containing Actinomycetes plant dust, and mainly affects alveolar hypersensitivity disorders, also known as occupational allergic pneumonia or extrinsic allergic alveolitis. It is a representative of more than 30 exogenous allergic alveolitis. Farmers have acute lungs, chronic points, recurrent episodes of lung can cause irreversible fibrosis. Ramazzini first reported farmer lung in 1713. In recent years, the disease has aroused widespread concern of scholars at home and abroad.