Milk and dairy products, beans and bean products.

Seafood: crucian carp, carp, silver carp, loach, shrimp, dried shrimp, dried shrimp skin, crab, kelp, laver, clam, sea cucumber, snail, etc.

Meat and eggs: mutton, pig brain, chicken, eggs, duck eggs, quail eggs, preserved eggs, pork floss, etc.

Vegetables: celery, rape, carrot, radish tassel, sesame, coriander, potherb mustard, black fungus, mushrooms, etc.

Fruits and dried fruits: lemon, loquat, apple, black date, preserved apricot, orange cake, preserved peach, almond, hawthorn, raisin, walnut, watermelon seed, pumpkin seed, dried mulberry, peanut and lotus seed.

Two: supplement calcium nutritional supplements for children.

Calcium gluconate, each tablet (0.5 g) contains 22.24 mg of calcium, which is well absorbed in the body and is not too difficult for children to eat.

Calcium lactate (0.5g) contains 65mg of calcium, and calcium chloride (0.5g) contains 80mg of calcium. Although the calcium content is high, it is not easy to dissolve.