婴幼儿时期正处于生长发育的旺盛时期,也是为身体打基础的最佳时期。婴幼儿喂养做到合理化、科学化,是落实优生优育政策,提高我国人口素质的关键措施。婴幼儿时期的体重、身高与新生儿相比,成倍甚至好几倍的增长,处于生长发育最快时期。这一时期脑细胞增殖尤为明显,六个月进入高峰 Infancy is in a period of strong growth and development, but also for the best foundation for the body. The rationalization and scientificization of infant and young child feeding are the key measures to implement the policy of prenatal and postnatal care and improve the quality of our population. Infants and young children’s weight, height and newborn compared to double or even several times the growth, in the fastest growing period. Brain cell proliferation during this period was particularly evident, reaching a peak in six months