Objective To explore the treatment plan and application value of idiopathic interstitial pneumonia(non IPF)complicated with diffuse alveolar hemorrhage syndrome.Methods A case of idiopathic interstitial pneumonia(non IPF)complicated with diffuse alveolar hemorrhage syndrome was reported.The clinical application value of treatment of idiopathic interstitial pneumonia(non IPF)complicated with diffuse alveolar hemorrhage syndrome was analyzed combined with the literature.Results A case of idiopathic interstitial pneumonia(non IPF type)with diffuse alveolar hemorrhage syndrome was reported in this paper.Combined with respiratory and circulatory failure,veno-venous extracorporeal membrane oxygenation was used to rescue and successfully wean,and the condition improved and discharged.Conclusions Through the curative effect evaluation of this patient,it is believed that idiopathic interstitial pneumonia,as a kind of pulmonary interstitial disease with unknown etiology and pathogenesis and diverse clinical manifestations,need clinical multidisciplinary cooperation,early diagnosis and treatment,in order to successfully save the patient.