Results and Discussion: The clinicals of 287 septicemia A baumannii patients: children 167 (58.2%), adults 120 (41, 8%); the overall mortality (33.1%), mortality in adults (50.8%) and children (20, 4%); Coma in adults (26.6%) and children (13.7%); Must respiratory support in adults (40%) and children (22.1%); There septic shock in adults (45.8%) and children (26.3%); Multi-organ failure in adults (45.8%) and children (31.7%). The respiratory disorders, cardiovascular disorders, multi-organ failure, sepsis, invasive procedures are the risk factors for severe and fatal prognosis for both groups of adult and children (OR> 1 and p <0.05).