近来包括我国在内的许多国家,人乳喂养有明显减少的趋势,特别是多种多样的代乳品与日俱增,导致人乳喂养在儿科工作者思想上的淡薄。近年来有不少国家从不同方面对母乳开展了大量的研究工作,本文仅对人乳成份的研究现状作一简要介绍。一、蛋白质、脂肪和乳糖人乳蛋白(乳白蛋白占2/3)首先具有人乳的特点,婴儿每日需要2～2.5g/kg,而人工喂养则需要3.5～4.5g/kg。人乳蛋白的 Recently many countries, including our country, have seen a marked decrease in their breastfeeding. In particular, a large variety of milk substitutes have been increasing day by day, leading to a weakening of the pediatrician’s mind. In recent years, many countries carried out a great deal of research work on breast milk from different aspects. This article only gives a brief introduction of the research status of human milk ingredients. First, the protein, fat and lactose Human milk protein (lactalbumin accounted for 2/3) first of all have the characteristics of human milk, babies need daily 2 ~ 2.5g / kg, while artificial feeding requires 3.5 ~ 4.5g / kg. Human milk protein