由于新生儿胆红素代谢特点,约50%～60%的新生儿于出生后2～3d内均出现黄疸[1],对患儿多数无大的影响,但当血清胆红素浓度增高超过一定限度时可能影响患儿的神经心理发育[2],尤其是以新生儿高未结合胆红素血 Due to neonatal bilirubin metabolism, about 50% to 60% of newborns develop jaundice within 2 to 3 days after birth [1], which has no major effect on the majority of children. However, when serum bilirubin concentration increases more than A certain limit may affect the children’s neuropsychological development [2], especially in neonatal high unbound bilirubin