A glass of milk every morning and evening:
In the morning, you can eat some steamed bread and cakes with milk. Don't drink it on an empty stomach.
Proper consumption of soybeans:
Soybean contains a lot of calcium and protein, which can supplement the nutritional elements for bone development.
Sports:
One hour before going to bed, jump 60 times, the higher the better.
Pressing leg:
Press the legs 60 times for each leg, until it feels sore. Take care not to damage the ligament.
Stretch 40 times:
After pressing legs and stretching for 40 times, completely relax and sleep.