If the epiphysis of a 17-year-old child is not closed, supplemental nutrition and moderate exercise will continue to grow and develop, but if the bones appear to be closed, it will not be able to grow taller. Growth is related to whether the epiphysis is closed or not, 17-year-old children are in puberty, generally speaking, if the epiphysis is not closed, is still able to continue to grow taller. It is recommended that moderate exercise such as running, jumping high, jumping rope and other activities to strengthen the body and stimulate the epiphysis, and more sun exposure to promote skin absorption of vitamin D, to stimulate the growth and development of the organism. More supplemental nutrition such as calcium high food, including soy products, dairy products, meat, seafood, supplemental vitamin D, promote the absorption of calcium, as well as supplemental fresh fruits and vegetables, promote growth and development.