OBJECTIVE To investigate the in vitro antibacterial activities of 5antibiotics against Pseudomonas aeruginosa and Acinetobacter baumannii so as to provide guidance for clinical medication.METHODS According to the criteria of CLSI 2010 edition,the minimal inhibitory concentrations(MICs)of meropenem,amikacin,piperacillin-tazobactam,ceftazidime,cefoperazone-sulbactam to P.aeruginosaand A.baumannii were determined by using agar dilution method.RESULTS The drug resistance rates of the P.aeruginosa to meropenem,a...