15-year-old girls need to arrange their daily diet reasonably to ensure adequate nutrition and not be picky eaters. Girls can eat more nutritious food, such as eggs and lean meat, and also eat more fresh fruits and vegetables, such as apples and cucumbers, which is helpful for their growth.

2. Life management:

15-year-old girls need to strengthen life management to grow taller. They shouldn't stay up late to get enough sleep. They can also appropriately increase physical exercise to help their bodies grow taller.

3, drug therapy:

15-year-old girls who lack calcium will also affect their height growth. She can take calcium carbonate D3 tablets and calcium gluconate tablets under the guidance of a doctor, or she can choose to inject recombinant human growth hormone injection for treatment.