The nutritional status of a nursing mother affects the quality of her breast milk, so it is important for nursing mothers to pay attention to their diet, and it is recommended that they drink milk or take calcium supplements. There are no strict rules on which type of calcium tablets to take, it is recommended to take calcium carbonate calcium supplements, which have a higher content of calcium, and it is best to take a complex preparation that also contains vitamin D, which is more conducive to the absorption of calcium supplements. In addition, if the baby is not allergic to cow’s milk protein, it is recommended that breastfeeding mothers drink milk every day, appropriate activities, go outdoors in the sun, are able to promote the absorption of calcium, and appropriate exercise can also reduce the loss of calcium in the body.