The standard height for 11-year-old boys is around 136.8 cm to 154 cm, but there are individual differences. The height is directly related to genetics and indirectly related to nutritional intake and frequency of exercise in the later stage, the standard height of 11-year-old boys is around 136.8 cm to 154 cm. However, some boys may have a height lower than the normal standard value. Later on, you can take dietary intake and pay attention to let the boy participate in more aerobic exercise, such as jogging, swimming, jumping rope, playing basketball, etc. Meanwhile, more sun exposure to promote calcium absorption, which is conducive to achieving the desired height. If the height is still lower than that of boys of the same age, it is recommended to go to the hospital for relevant examinations to see if there are other factors causing short height.