The child’s calcium deficiency can be adjusted through the diet for calcium supplementation, when necessary, but also through the drug calcium supplementation, the choice of suitable for the child’s individualized treatment effect can be better. 1. Food adjustment: parents should adjust the child’s daily diet, give the child more calcium-containing foods, such as milk, shrimp, etc., but also to take the child out in the sun, vitamin D synthesis, conducive to calcium absorption. 2. medication: calcium supplementation at the same time, should also be adjusted medication, such as follow the doctor’s instructions to be vitamin AD, calcium gluconate oral solution and so on. Parents should not give their children to take calcium drugs at will, should listen to the doctor’s guidance, safe and reasonable use of medication, to avoid the use of medication and the body of the child to cause adverse effects.