Calcium deficiency in mother’s milk should be preceded by adult calcium supplementation, including oral calcium supplements and active vitamin D, to promote calcium enrichment. If the symptoms of calcium deficiency occur during infancy and childhood and the first signs of rickets, it is necessary to go to a specialist hospital for relevant examinations and then take calcium supplements and appropriate amounts of vitamin D according to medical advice, so that the two-pronged approach can have a beneficial effect on the health of the infant. There is no calcium deficiency in breast milk, there can be adult mothers because of low calcium or osteoporosis, but not in breast milk, because the calcium in breast milk is mainly a mineral, the bone bank, that is, the bones to release, when the bone bank in the hypocalcemia, osteoporosis, breast milk does not cause calcium deficiency in the impact.