1. Why do children need calcium supplements? Children\’s bone development requires an adequate supply of calcium. If calcium intake is insufficient, it will affect the growth and development of bones, leading to problems such as osteoporosis. Therefore, children need appropriate calcium supplements. 2. Which foods are rich in calcium? Milk, tofu, cheese, fish, seaweed, etc. are all foods rich in calcium. In addition, some green vegetables such as celery, celery, etc. also contain a lot of calcium. 3. How to properly combine foods to supplement calcium? In order for children to better absorb and