Clinically there is no indication that the kind of calcium tablets are good, it can be based on the child’s own absorption situation. The main choice of calcium supplementation for children is oral type, there are many kinds of calcium supplements commonly used in the clinic, it is generally recommended for children to take inorganic calcium with high calcium content, such as calcium carbonate or calcium lactate, due to the high solubility of calcium lactate in water, there is a very high rate of absorption, it is the ideal choice for children’s calcium supplementation. In addition, it is recommended to take calcium with appropriate vitamin D supplementation, which is helpful for calcium absorption. In addition to supplemental calcium and vitamin D, the diet should eat more calcium-rich foods, such as milk, fish, shrimp, kelp and other calcium-rich. It is recommended that children take calcium tablets while doing more outdoor exercise and sunbathing, which can effectively promote the absorption of calcium and bone development. It is recommended to choose suitable calcium tablets under the guidance of a doctor or pharmacist according to the child’s specific situation.