新生儿败血症为新生儿时期的较常见的感染性疾病,发达国家发病率为0.1%~0.4%[1],发展中国家为1%~10%[2],国内病死率为12%~20.5%[3],发达国家为5%左右[4]。而新生儿败血症表现较不典型,无明显特异性,临床上应引起重视,早期诊断和治疗非常重要,因此有必要熟悉败血症的临床特点,掌 Neonatal sepsis is a more common infectious disease in the neonatal period, with an incidence of 0.1-0.4% in developed countries [1], 1% -10% in developing countries [2], and a case fatality rate of 12% -20.5 % [3], developed countries is about 5% [4]. Neonatal sepsis performance is less typical, no obvious specificity, should pay attention to clinical, early diagnosis and treatment is very important, so it is necessary to be familiar with the clinical features of sepsis, palm