Objective: To investigate the distribution of the pathogens and antibiotic features of the ventilator associated pneumonia (VAP) in intensive care unit (ICU). Methods: The pathogens of respiratory tract secretion of 132 cases of VAP were analyzed retrospectively. Results: The incidence of VAP was 52.2% in ICU. Among all the pathogens caused VAP, sputum culture results were gram negative bacteria, most of which were Pseudomons aeruginosa、 Acinetobacter baumami、Klebsiella pneumoniae、Escherichia coli and Staph...