儿童是国家的希望和未来.他们的健康成长,关系着一个国家人民的良好体魄和民族的强大.因此,丰富儿童食品,保证儿童健康成长,是各国科学工作者、医学工作者和食品工作者不可推卸的责任.儿童时期包括六个年龄阶段,即胎儿期(出生前280天);新生儿期(出生至一个月内);婴儿期(1～12个月);幼儿期(1～3岁); Children are the country’s hope and future, and their healthy growth has a bearing on the good physique and nationality of a country’s people Therefore, enriching children’s food and ensuring the healthy growth of children are the fruits of scientific workers, medical workers and food workers in various countries Unshirkable responsibility. Childhood includes six age groups, namely the fetal period (280 days before birth); neonatal period (birth to within a month); infancy (1 to 12 months); early childhood (1 to 3 year old);