合理的营养对乳儿的正常体力和精神发育以及疾病的预防都有很大的关系。乳儿的食品一定要含有满足乳儿生长的营养素,能保证被机能尚未十分发达的肠胃道消化,同时应当是无菌的,并能增加身体对传染病的抵抗力。母乳富有脂肪和醣,因此热量较高,其中所含蛋白质的种类不但完全且易于消化,脂肪和乳醣的含量也最合适。其中没有细菌,并含有酶、维生素及抗体,因此可以促进吸收和免疫作用。在苏联由于妇幼保健工作者的努力,绝大多数的母亲都是自己喂养乳儿,但在目前我国的城市中很多母亲不肯自己喂养小儿,也有很多母亲生产后没有足够的奶来喂养小儿。这两种情况都应该引起 Reasonable nutrition on the normal physical and mental development of infants and the prevention of diseases have a great relationship. Baby food must contain nutrients to meet the growth of children, can guarantee the function is not yet well-developed gastrointestinal digestion, should also be sterile, and can increase the body’s resistance to infectious diseases. Breast milk is rich in fat and sugar, so the heat is high, which contains the type of protein not only completely and easily digestible, fat and lactose content is the most appropriate. There is no bacteria, and contains enzymes, vitamins and antibodies, it can promote absorption and immunization. In the Soviet Union, the vast majority of mothers feed their babies due to the efforts of MCH workers. However, many mothers in current cities in our country refuse to feed their own babies. Many mothers do not have enough milk to feed their children after they are produced. Both situations should be caused