As a product of modern computer and the Internet, online games have become very popular among college students. Many students have enjoyed great pleasure and satisfaction from these games. But as we see, some students lacking self discipline on too much indulge in these games. So that their health and academic performances are affected.

　　This phenomenon has caused much worry from the teachers and parents. However, some others argue that online games are not always harmful. They can train their ability of youngsters to respond to things quickly. Moreover, they can stimulate their imagination and their interest in computer science. More importantly, it does bring