OBJECTIVE To investigate the pathogen distribution of ICU related pulmonary infection,and analyze its pathogen resistance.METHODS A total of 104cases of patients with ICU related pulmonary infections in our hospital were enrolled.Bronchoalveolar lavage fluid of patients,respiratory secretions and sputum samples were collected,the number of pathogens isolated was calculated for each pathogen,and the drug susceptibility test was performed for main pathogens.RESULTS A total of 112pathogen strains were isolated...