The rapid development period is divided into two stages, namely from birth to before three years old and adolescence. In this two rapid development period to pay attention to the following factors affecting height: 1, nutrition, to ensure adequate intake of protein, at the same time to give supplemental vitamin D and calcium; 2, to ensure adequate sleep, before the age of three to ensure that the baby sleep between 12-15 hours a day; adolescence to ensure at least 8 hours of sleep and sleep at night can not be too late; 3, exercise, before the age of three to ensure daily Outdoor activities up to two hours, adolescent children at least one hour of outdoor activities, more physical exercise can promote bone development; 4, to maintain a relaxed mood, if the height is in the average growth of two standard deviations below, to take the child to the hospital in a timely manner for examination and necessary treatment.