Children 5-6 years old if calcium deficiency, calcium supplementation divided into dietary supplements and application of drugs to supplement, as follows: 1, dietary supplements, milk, dairy intake, such as the original children drink a bag of milk a day, can be increased to drink two bags or increase a box of yogurt, some parents can also give children to increase cheese, but also should not be for a certain food over intake. In addition, other foods such as fish, shrimp and other meats usually eat are rich in calcium, you can adjust the diet structure, more balanced for children to eat; 2, children lack of calcium, may not eat a lot of calcium, but because of vitamin D deficiency, so that the calcium eaten is not absorbed, there is no great use, this time to increase the child’s exercise, sunlight exposure time, for example, can increase the time to play outside, to promote good absorption of calcium. Promote calcium to be well absorbed. If that doesn’t work, you can give your child calcium tablets, but it’s best to take them under the guidance of a doctor.