婴儿期是人一生中离开母体后生长发育最迅速的一年。需要从外界摄入大量的营养素作为构造机体的基本物质。但另一方面他们的生理生化功能又尚处于不够成熟的阶段,故这个时期的营养问题也往往最为突出。随着科学技术的突飞猛进,实验技术越来越深入地应用于研究婴儿喂养有关问题。几十年来儿科学家与营养学家一直在研究什么饮食对婴儿最为合适。关于母乳的优越性近30年来再次受到重视,许多实验证实母乳富营养,易消化吸收,是小婴儿最理想的食品。且含大量免疫因子可弥补小婴儿免疫力不够成熟的缺点,增强其抗病原体的作用,使感染率下降。母乳喂养既方便又经济,尚可促进母子间感情交流,不少心理学的观察说明对母子双方的心理卫生都十分有利。目前生产的各种母乳化配方奶粉,大多以 Infancy is the most rapid growth and development of a person’s life after leaving the mother. Need to take in a lot of nutrients from the outside world as the basic material for the construction of the body. However, on the other hand, their physiological and biochemical functions are still not mature enough. Therefore, the nutritional problems of this period are often the most prominent. As science and technology advance by leaps and bounds, experimental techniques are increasingly applied to the study of infant feeding related problems. For decades, pediatricians and nutritionists have been studying what diet is best for babies. On the advantages of breast milk once again received the attention of nearly 30 years, many experiments confirmed that breast milk eutrophication, digestible absorption, is the ideal baby food. And with a large number of immune factors can make up for the shortcomings of infants and young children immunity is not mature enough to enhance its role of anti-pathogens, the infection rate decreased. Breastfeeding is both convenient and economical, and it can promote the exchange of feelings between mother and child. Many psychology observations indicate that it is very beneficial to the mental health of both mother and child. The current production of various formula milk, mostly to