If infants and young children do have calcium deficiency, it is recommended to adjust the diet to supplement calcium in less severe cases, and if it is more serious, they can take calcium supplements as prescribed by the doctor, but there is no calcium that is better absorbed, so the specifics should follow the doctor’s advice. Usually, if infants and young children have a well-balanced diet and sleep well, they will not suffer from calcium deficiency. If infants and young children have symptoms of calcium deficiency, and are confirmed to be deficient in calcium after examination, they should first adjust their dietary structure by adding foods with high calcium content, such as milk and soy products. If infants and young children are seriously deficient in calcium, need to be under the guidance of a doctor to correctly replenish calcium, common calcium supplements are calcium lactate granules, calcium gluconate granules, calcium carbonate granules, etc., the absorption of the relative are relatively good, there is no which one is better, it is recommended that according to their own situation to follow the doctor’s advice to choose.