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我们所说的儿童期,可以分为两个阶段,即4～6周岁和7～12周岁。4～6岁的儿童生长发育较快,语言动作能力增强,身体正在建造骨骼、牙齿、肌肉和血液。因此,营养物质需要量较大,必须供给足够的热能、蛋白质、维生素和矿物质等以保证其生长发育的需要。7～12岁的儿童处于迅速生长发育的阶段,是第二个生长发育高峰期。此时期的儿童体力活动增多,新陈代谢旺盛,因此对营养的要求也很高。营养供给是否充足全面、比例适宜,不仅关系到儿童的生长发育和身体健康,而且与促进智力发育、改善学习状况、提高学习成绩的关系极为密切。
The childhood we are talking about can be divided into two stages, that is, 4 to 6 years of age and 7 to 12 years of age. 4 to 6 years old children grow faster, language ability to enhance the body is building bones, teeth, muscles and blood. Therefore, the nutrient needs of larger, must provide enough heat, protein, vitamins and minerals to ensure its growth and development needs. Children aged 7 to 12 are in the stage of rapid growth and development and are the second peak of growth and development. Children’s physical activity increased during this period, the metabolism is strong, so the nutritional requirements are also high. Adequate and adequate supply of nutrients, the proportion of appropriate, not only relates to children’s growth and physical health, but also with the promotion of intellectual development, improve learning status, improve academic performance very closely related.