低出生体重儿、早产儿的生存离不开合理营养 ,而营养素的吸收有依赖于胃肠道消化、吸收功能、粘膜屏障功能和动力成熟与完善 ,因此只能采用合适的喂养方法来解决。近年来低出生体重儿、早产儿的存活率明显增加 ,死亡率明显降低 ,1 0 0 0 g以下死亡率由 94 %降到 4 2 %。 1 0 0 Low birth weight children, premature children can not survive without reasonable nutrition, nutrient absorption depends on gastrointestinal digestion, absorption, mucosal barrier function and dynamic maturation and perfection, it can only be used to solve the appropriate feeding method. In recent years, low birth weight infants, premature children significantly increased the survival rate, mortality was significantly reduced mortality below 10 g from 94% to 42%. 1 0 0