近年来,早产儿出生率不断上升。早产儿早期的营养缺乏具有远期的不良反应,这包括:身材矮小,免疫力低,神经发育不良等,所以尽早的建立肠内营养是重要的。但由于早产儿胃肠功能不完善,胃肠动力功能低下,早期经胃肠道喂养后,喂养不耐受发生率极高,从而造成早产儿早期营养物质的缺 In recent years, the birth rate of premature children is on the rise. Early nutritional deficiencies in early infants with long-term adverse reactions, including: short stature, low immunity, neurodevelopment, etc., so as soon as possible to establish enteral nutrition is important. However, due to imperfect gastrointestinal function in preterm infants, gastrointestinal motility dysfunction, early gastrointestinal feeding, the incidence of feeding intolerance is extremely high, resulting in the lack of early nutrients in preterm infants