随着危重医学的发展,危重新生儿成活率有逐年增高的趋势。早产儿作为高危儿之一,出生数量越来越多[1]。虽然最近几十年早产儿的存活率明显提高,但是发病率和死亡率却仍不容忽视。早产增加了生长问题、发育迟滞以及复杂医疗问题的风险[2],其更伴随诸多医学护理问题的出现,早产儿 With the development of critical medicine, the survival rate of critically ill newborns has been increasing year by year. Premature babies as one of the high-risk children, more and more births [1]. Although the survival rate of premature children has increased significantly in recent decades, morbidity and mortality still can not be ignored. Premature delivery increases the risk of growth problems, developmental delays, and complex medical problems [2], which are accompanied by the emergence of many medical and nursing problems, premature babies