Generally speaking, babies do not need routine calcium supplements. If they do have a calcium deficiency, they can always take calcium supplements as prescribed by their doctor, which has little to do with how many months old they are. Under normal circumstances, the baby before six months, breast milk or formula can provide to meet the baby’s growth and development of calcium. After six months, the baby began to add complementary foods, if you do a comprehensive and balanced nutrition, generally do not lack of calcium. Therefore, babies do not need routine preventive calcium supplementation. But if the baby occurs pillow baldness, fontanel closure delay and other symptoms of calcium deficiency, you need to go to the hospital in time for examination, under the guidance of a professional doctor to use some of the baby’s easily absorbed calcium supplements, such as calcium carbonate granules and so on. At this time, calcium supplementation has little to do with the baby’s age. If you suspect that your baby is deficient in calcium, it is recommended that you seek medical advice from a professional doctor to determine whether or not you need to take calcium supplements, and parents should not blindly give their babies calcium supplements on their own.