Generally speaking, boys begin to enter puberty at the age of 13 or 14, when they slowly begin to grow body hair or change their voices, and then slowly appear throat nodes, such as the phenomenon of the development of secondary sexual characteristics. This does not have much to do with the growth or not. Although the emergence of secondary sexual characteristics represents a sign of maturity, but the general age of growth of boys is around 15 or 16 years old, that is to say, after the emergence of secondary sexual characteristics, boys appear a peak of growth, he is related to the development of puberty, the two are accompanied by each other. During this period, it is recommended to take more nutrition and participate in sports, so as to seize the key period of the second sexual characteristics of puberty development to make the head grow taller by leaps and bounds.