he doesn't eat many foods...evry month he suffers with cold...now he's weight is 19 kgs only....what can I do for him

A. Your child is having a weight gain for 5 1/2 year old child and you are saying that your child is not eating well your child is very picky and all still if your child is having wait on a heavier side then I think whatever your child is eating is working out sufficient enough for the child