Calcium-deficient people should not drink carbonated beverages such as Coke and Sprite, coffee, sweetened beverages, as well as processed meat products, and eat less meat acidic foods such as animal liver and fatty meats. Also eat less junk food, potato chips, shrimp sticks, and chocolate. Oxalic acid-rich foods should also not be eaten with calcium supplements, which can very easily lead to the loss of freshly added calcium. For children, bread, cake should also eat less, pastry will have a lot of sugar in the entry of the body’s digestive system, need a lot of calcium can be metabolized, for many calcium-deficient babies, the intake of bread and pastry, will cause the body to lack of calcium more serious phenomenon. If calcium deficiency must be supplemented with calcium and vitamin D, usually appropriate to drink more milk is the most effective and direct way to replenish calcium, appropriate to eat more high protein foods to supplement nutrition, more sunshine can promote calcium absorption, be sure to carry out more exercise in moderation, to enhance physical fitness.