In the past decade, computer games have become the favourite leisure activity among children and teenagers. It of course leads to a lot of consequences for children's development and growth, and plays a huge role in their value set forming and their future goals. Personally, I think that Computed hames have to be forbidden for children younger than 14 years old. In the following ,paragraphs I'm going to argue my opinion from 2 points of view: mental health and character forming.