Calcium deficiency in children can usually consume milk and dairy products, soy products, fish, eggs, shrimp and so on, these foods are better for calcium. Firstly, milk is recommended for children’s calcium supplementation because it is rich in calcium and can be drunk in moderation every morning and evening. Milk not only replenishes calcium but also contains a certain amount of high-quality protein, which is better for children’s growth and development. The next is soy products, which are relatively rich in calcium. There are many kinds of soy products, and they are inexpensive, so they are a good choice for calcium. The protein and minerals contained in shrimp skin is very much, calcium content is rich, so that shrimp skin is a very good food for calcium. Of course, if too much intake, and easy to bring allergies, and excessive salt intake problems. It is also a concern. Of course, it should also be stressed that no matter what diet, then good food, but also must be reasonable and appropriate, otherwise it is easy to lose both, and even bring side effects. In addition, for the absorption of calcium, but also need the participation of vitamin D, and vitamin D is also very important, therefore, can not just emphasize eating