1. Beans: Beans are a very good source of protein and also contain a lot of calcium. Such as tofu, black beans, soybeans and so on.
2. Green leafy vegetables: Green leafy vegetables contain a lot of nutrients, including calcium. Such as spinach, mustard, rape, Chinese cabbage and so on.
3. Nuts and seeds: Nuts and seeds are healthy snacks, which are rich in nutrition and calcium. Such as sesame, almond, walnut, sunflower seeds, etc.
4. Seafood: Seafood is a nutritious food, including calcium. Such as abalone, kelp and seaweed.
5. Aquatic products: Aquatic products also contain calcium, and fish is one of the best. Such as fish, shrimp, crabs, etc.
6. Orange juice, lotus root, red dates, kiwi fruit and black sesame are also foods rich in calcium.
It is worth mentioning that our body needs vitamin D to absorb calcium better. Therefore, a reasonable diet and proper outdoor activities are the key to keep bones healthy.