早产儿由于胃肠功能未成熟容易出现喂养不耐受,影响患儿存活率和生存质量。肠外营养的早期建立能帮助患儿改善营养状况,但长时间的肠外营养会造成患儿电解质紊乱、肠黏膜萎缩、乳糖酶缺乏等副作用,因此尽早促使早产儿胃肠功能的建立及诱导其成熟是治疗计划的重要手段之一。我科 Premature infants due to gastrointestinal immaturity prone to feeding intolerance, affecting the survival rate and quality of life of children. Early establishment of parenteral nutrition can help children improve their nutritional status, but prolonged parenteral nutrition can cause electrolyte imbalance, intestinal mucosa atrophy, lack of lactase and other side effects, so as soon as possible to promote the establishment and induction of gastrointestinal function in preterm children Its maturity is one of the important means of treatment plan. My department