Children zinc supplement can eat the following food or medicine to carry out: first of all, you can give children to adopt the food that contains high zinc, for example, give children to eat more oysters, scallops, as well as beef and so on, these foods contain high zinc, you can give children to adopt the dietary therapy method, this is suitable for mild zinc deficiency. Secondly, children are given zinc gluconate oral solution or take zinc gluconate calcium, both drugs have the characteristics of good zinc supplementation. When given to children, the symptoms of anorexia and recurrent mouth ulcers caused by zinc deficiency will be improved. When giving children zinc supplementation, it is necessary to insist on a period of time, wait for children’s zinc to return to the normal concentration, consolidate for a period of time before stopping.