The onset of menarche signifies the onset of puberty. During puberty, estrogen is secreted in the female body and its level increases, which stimulates bone growth and promotes height growth. The increased secretion of estrogen after menarche will not only affect bone growth and development, but also affect the absorption of the gastrointestinal tract, promoting the absorption and metabolism of various nutrients in the gastrointestinal tract. Therefore, it is necessary to ensure adequate nutrition to avoid malnutrition at this stage, which can effectively promote the growth and development of bone. Through more exercise, more sunshine, maintain high quality sleep can promote the secretion of growth hormone, and then promote the growth and development of bone can promote the growth of height.