随着早产极低甚至超极低出生体重儿存活率的上升,大量生存的脆弱新生婴儿需要儿科医生解决他们的喂养和营养需求问题。而喂养问题是决定早产儿住院时间长短及生存质量的关键。早产儿胃肠成熟与喂养困难关系密切,因此,其开始喂养时间、喂养方式及喂养内容是目前争论和研究的热点 With the survival rate of very low or even very low birth weight infants rising prematurely, vulnerable vulnerable newborn babies in large numbers need pediatricians to address their feeding and nutritional needs. Feeding is the key to determining the length of hospital stay and quality of life in preterm infants. Gastrointestinal maturation in premature infants and feeding difficulties are closely related, therefore, the beginning of feeding time, feeding methods and feeding content is currently the hot debate and research