Childhood obesity is a condition where excess body fat negatively affects child health. The factors effecting childhood obesity are hereditary, no physical activity and no proper diet. Children with obesity, suffer from some of the diseases, that earlier used to affect only adults, like diabetes. Obesity can be controlled by maintaining a strict and balanced diet. Child obesity increases the risk of obesity in adults. Inactivity usually coupled with excessive TV watching or sitting in front of a computer game must be changed for the child to eventually reach the long term weight goal. The conclusion that sedentary hobbies have a profound inclination toward obesity in children.