The best time for boys to develop is related to genetic inheritance, individual differences, diet and other factors, and needs to be analyzed on a case-by-case basis. There are generally three stages of height development in boys, birth-1 year, 4-8 years and puberty. The prime stage of height growth is 14-18 years old, that is, puberty. The best period of intellectual development for boys is the early childhood period of 2-4 years old, during which the child’s brain develops rapidly and is more conducive to shaping future learning potential. The development of secondary sexual characteristics in boys generally begins at the age of 10-13 when testicular development begins and androgens are gradually secreted and boys enter the golden period of development. In addition, in the growth period of the boy, should pay attention to nutritional supplements, appropriate more milk, soy milk, etc., eat more vitamin-rich food, but also need to increase exercise, are good for development.