16-year-old high school students still have the possibility of growing taller, generally can be adjusted by adjusting the diet, keep enough sleep, reasonable exercise, regulate the mood, supplemental calcium, etc. to regulate, but the specific effect varies from person to person. It is best to check the bone age to determine whether there is room for growth. If the epiphysis is closed, you can no longer grow taller. 1. Adjust the diet: usually pay attention to ensure a reasonable diet, adequate nutrition, you can eat more eggs, milk, chicken, etc., but also more fresh vegetables, fruits, in order to ensure that the child has a sufficient supply of nutrients, which will help the growth of height. 2. Maintain adequate sleep: It is recommended to ensure at least eight hours of sleep every day. Sleep can not only eliminate fatigue, but also after falling asleep, the body secretes growth hormone more vigorously, which is conducive to height growth. 3. Reasonable exercise: It is recommended that high school students should do more outdoor activities after studying, and ensure at least 1~2 hours of exercise every day, such as swimming, running, jumping rope and so on. 4. Emotional regulation: high school students usually pay attention to not too much pressure, not too much emotional anxiety, to maintain a positive state of mind, otherwise there is also a certain impact on physical development. 5. Supplemental calcium: If you usually have leg cramps and other conditions, you can also supplement calcium under the guidance of the doctor in moderation.