Good job in four aspects: Study of shopping and entertainment: now, whether large companies or small companies, their office almost all the computer on the desk, computer office has become an indivisible noun, so, people is how to use the computer office? Using computer software, we can program, development, engineering design, design a series of Surveying and mapping; send e-mail, write reports and published the paper, through the electronic version instead of paper version makes the work more efficient; remote conference, remote trading, stocks and browse news and so on. Two: learning to learn, we have a lot of experience! Teachers using computer multimedia course, make the classroom the content is more rich; we can read books by computer to find information online, and finish the homework; can also be used for online distance education, problems with each other to answer new learning style. Three: "online shopping", accepted by the popular gradually in twentieth Century shopping way has more and more people. Whether it is a wealthy person of millionaires, stylish white-collar Beauty or the ordinary wage-earners, even we ourselves also had the experience of online shopping. Some of this may just want to have this experience of feeling, some may take this as a sign of "knowledge", some may have been online shopping as an important part of their daily life instead of the traditional way of shopping in Shangjie. Four: the entertainment computer to our students, in addition to learning is for entertainment. So-called rest, in learning, extracurricular time, we can appropriately use the computer to play the game, have a look the movie, or listening to music, can also chat, have a look what the micro-blog. Harmful: addicted to computer games harm first, play computer games, takes time, if too much time to play computer games of words, then, we used to study time will greatly reduce the secondly, play computer games, especially for a long time to play, very bad for our eyesight and health, when you indulge in computer games bring you happiness, your vision is imperceptibly decline day by day, so when you finally wake up, it was too late! May also take you had a healthy body again, play computer games, especially a waste of money