Generally 17 years old 1 meter 65 may still grow again, but when the epiphysis closes the case will not grow again. Usually, after a 17-year-old enters puberty, due to the increased secretion of sex hormones, the secondary sexual characteristics begin to develop, and the body will also appear to grow taller rapidly. However, the increased secretion of sex hormones also accelerates the closure of the epiphysis. Therefore, by the end of late puberty or puberty, the epiphysis of most people will have already closed and will not grow taller. If 17-year-olds want to develop their height faster, they should choose to participate in outdoor activities appropriately, such as running, jumping and other activities, to stimulate the epiphysis of the limb area, so that the epiphysis grows actively and promotes the growth of height. 17-year-old teenagers need to pay attention to, parents should not blindly use health products or drugs to achieve the purpose of growing taller as soon as possible, so as to avoid adverse consequences.