金黄色葡萄球菌(Staphylococcus aureus)是人类的一种重要病原菌,隶属于葡萄球菌属(Staphylococcus),革兰阳性菌,有“嗜肉菌”的别称,是人类化脓感染中最重要的致原菌~([1]),也是评价食品卫生安全的重要指标之一。“测量不确定度”术语,在20世纪70年代初开始逐渐在测量领域广泛应用~([2]),目前CNAS、APLAC、EURACHEM/EA都有微生物领域的有关测量不确定 Staphylococcus aureus is an important pathogen of human beings and belongs to the genus Staphylococcus, Gram-positive bacteria. It is the most important cause of pyogenic infection in humans The original bacteria ~ ([1]), but also an important indicator of food hygiene and safety evaluation. The term “measurement uncertainty” has been widely used in the field of measurement in the early 1970s ~ ([2]). At present, CNAS, APLAC and EURACHEM / EA all have some uncertainties in the measurement of microorganisms