10-year-old girl height1.39m. Although it is a little short, it is still within the normal range. If you want to promote height growth through exercise and nutritional supplements, you can refer to the following suggestions:

1. Reasonable diet: Eat more foods rich in protein, vitamin D and calcium, such as milk, eggs, fish, meat and beans. At the same time, we must ensure a balanced diet, not partial eclipse and not picky eaters.

2. Do more exercise: Exercise can promote the growth and development of bones, such as skipping, basketball, swimming and other aerobic exercises, and can also help the body grow taller through stretching exercises such as yoga and stretching.

3. Ensure adequate sleep: Growth hormone is mainly secreted during sleep, and ensuring adequate sleep helps to promote height growth.

4. Maintain a good attitude: maintaining a positive and optimistic attitude will help promote physical development and height growth.

5. Regular physical examination: regularly check the height development, know the physical condition in time, and seek the help of professional doctors when necessary.

It should be noted that height growth is a long-term process and requires persistent efforts. At the same time, everyone's growth and development situation is different, so don't pursue the growth rate of height excessively, so as not to cause unnecessary burden to the body.