铜绿假单胞菌即绿脓杆菌（Ｐｓｅｕｄｏｍｏｎａｓａｅｒｕｇｉｎｏｓａ，ＰＡ）是造成院内感染的重要病原菌之一，因目前广谱抗生素的大量使用，逐渐造成部分抗生素失效，故对其临床菌株作血清学分型和抗生素敏感性研究具有重要的流行病学调查及临床治疗意义。１　材料与方 Pseudomonas aeruginosa Pseudomonas aeruginosa (Pseudomonasaerugi  nosa, PA) is one of the important pathogenic bacteria causing nosocomial infection, due to the current extensive use of broad-spectrum antibiotics, and gradually lead to the failure of some antibiotics, so the clinical strains of serological typing And antibiotic sensitivity research has important epidemiological investigation and clinical significance. 1 material and side