The best time for children to grow up in general includes the following aspects. The first is during infancy and early childhood, when children are under the age of 3 weeks, when they grow very rapidly and belong to the first growth spurt. Children grow particularly rapidly, should pay attention to increase nutrition in this period. The next is in puberty, puberty in the role of sex hormones, children’s height growth is also very rapid. This is also the time to properly increase fish, shrimp, eggs, milk and other high-quality protein, and to maintain adequate sleep time.