铜绿假单胞菌(Pseudomnas aeruginosa,PA)为临床常见的条件致病菌,也是目前医院内感染中最主要的病原菌。其感染有难治性、持续性等特点。近年来PA的检出有逐年上升趋势。为调查我院NICU新生儿PA感染的临床状态、发生原因与药物敏感性现状,以制定防治措施,合理选择抗生素,遂对 Pseudomonas aeruginosa (PA) is a common pathogenic bacteria in clinical practice, and is also the most important pathogen of nosocomial infections. The infection is refractory, persistent and so on. In recent years, the detection of PA has increased year by year. In order to investigate the clinical status of NICU neonates with PA in our hospital, the reasons for the occurrence and the status of drug susceptibility, in order to develop prevention and treatment measures, rational selection of antibiotics, then