How to lose weight as a kid

I think that we have never talk about kids and Weight Loss. There are many kids who suffer from weight loss due to overdose of candies and fast foods, this girl in the picture is 10 years old she got fat in an early age, I would say to every mom and dad Don't let you kids eat whatever they want, unleash them eat everything lead to overweight especially if your kids gain weight easily, then will be difficult to convince them to follow a diet because they're young and they don't worry about their shape, you can imagine how many kilograms this girl weight, she is about 60Kg, it's too much compared with her age and height. How to Lose Weight as a kid