The range of height growth in children over 14 years old is not very large. First of all, we know that heritage factors are the main influencing factors of height, accounting for about 75%. Acquired factors such as sleep, diet, exercise, and family environment also play a big role. From a dietary point of view alone, the main attention to balanced nutrition is conducive to the growth of children: 1, calcium, calcium supplementation mainly promotes bone development, not only to make children grow taller, but also to make bones strong. Humans absorb calcium best in milk, so it is recommended that children drink 300-400ml of milk every day. in addition, let children get more sunshine to promote the conversion of vitamin D in the body and promote calcium absorption; 2, supplemental protein, protein is an indispensable part of adolescent bone and muscle development, can make adolescent legs more favorable. Generally you can eat more fish, eggs, red lean meat, etc. to supplement the body’s protein needs; 3, dietary fiber, dietary fiber can maintain intestinal health, dietary fiber generally exists in vegetables, grains and cereals, so every day to children to eat the right amount of starchy food, some children do not eat pasta in order to maintain their body shape, will also affect height growth; 4, drink the right amount of water, drink water can make the child’s blood flow more smoothly The absorption of nutrients in food can be accelerated. Water is the medium of nutrient absorption, it is generally recommended that children drink 2-3 times each morning and afternoon, each time not too much; 5, vitamin A, vitamin A plays a big role in height growth, mainly in animal liver and vegetables and fruits, especially apples, oranges and other foods. In the adolescent growing body should eat a full range of nutrients, do not pick picky eats, while making sure to sleep and exercise, keep a good mood, and refuse to smoke and alcohol.