早产、窒息和感染在新生儿生后不久发生喂养不耐受是临床上较为常见的胃肠道功能紊乱,因此肠外营养的早期建立能帮助患儿改善营养状态,增加存活率和生存质量。但是长时间的肠外营养会造成患儿电解质紊乱、肠粘膜萎缩和乳糖酶缺乏。因此,尽早促使新生儿胃肠功能的建立及诱导其成 Premature delivery, asphyxia and infection Feeding intolerance shortly after neonatal birth is a more common gastrointestinal disorder in clinical practice. Therefore, the early establishment of parenteral nutrition can help children improve their nutritional status, increase survival and quality of life. However, prolonged parenteral nutrition can cause electrolyte imbalance in children, intestinal atrophy and lactase deficiency. Therefore, as soon as possible to promote the establishment of neonatal gastrointestinal function and induction