Most children likes watching TV very much. And they like watching cartoons every day. But watching TV too much is bad for them. When do children like watching TV? Because they think it is interested and easy to watching TV. They can hear the voices and watch the moving pictures at a same time. They can see and learn a lot from it. They also learn newer and better ways of do something. They may find that the world is becoming smaller or smaller. Many child watch TV only on Saturday and Sunday evening. Because they are busy in their lessons on weekdays. And some children watch TV every night. So they go to bed too late. It is harmful to their healthy.