The Internet has changed the world a lot. It plays an important part in our dialy life. On the Internet we can get useful information. It can also help us communicate, for example , sending and receiving e-mails. It makes the world smaller and smaller. At the same time , we can learn more and more about the world .But on the other hand, searching the Internet could also be bad for the students in many ways. Some students play computer games on the Internet for a long time. It’s not only a waste of time but also a harm to our eyes, what’s worse , a few students find unhealthy information on it . It’s bad for our minds and thoughts.