There are two growth spurts in a child’s development: one is infancy and the other is adolescence. Infancy generally refers to the period from birth to one year of age, and during the period from birth to three months of this period of time the child, the growth of the most rapid growth. Therefore, it is generally recommended that full-term newborns born two weeks, we should give the child regular use of vitamin AD drops, more sunshine. Effectively help the child to promote calcium absorption, more help children thrive. Breastfeeding mothers should pay attention to a balanced and reasonable diet, meat and vegetables, eat more vegetables and fruits. This can supply the child with balanced and reasonable nutrition.