The height of a person is 70% influenced by genetic factors, when a person starts to grow and develop rapidly, the rate of growth and development and when the height stops growing are all regulated by genes, so there are individual differences.Can I grow taller at 17? On the whole, 17 years old can grow taller, only the amplitude of growth is big or small. Need to pay attention to the following points: 1, to ensure adequate nutrition, including protein, vitamins, carbohydrates, such as meat, eggs, milk, fish, vegetables, fruits should be balanced intake. 2, to maintain a good and sufficient sleep, sleep is the peak of the secretion of growth hormone. 3, to adhere to the moderate physical exercise, especially bouncing, stretching exercise, the joints, ligaments, as well as the bone quality has a stimulating effect on the growth of. 4, Maintain an optimistic mental state, depressed mental state affects growth.