The internet is a wonderful invention of modern life as it has greatly changed our way of living However, the widespread use of the internet has also brought many problems First, many people are becoming addicted to the internet They spend much time playing computer games or just surfing the net without any reason Therefore, their time for studying is reduced, and this consequently lower their study achievement Second, the internet hinders students from doing their homework on their own Thanks to the internet, students can obtain the information they need simply by visiting a webpage However, this can more harm than good For instance, when students are given an assignment, many of them just go to websites where their needed information is posted, and copy it Last but not least, the internet damages our health People who spend too much time working or playing on the net are likely to suffer from headaches , dry eyes , dislocation of joints , and mental problems An obvious solution is for parents to control their children’s surfing time and for the authorities to restrict operation of internet centers and ban websites with harmful contents The users themselves have to realize their true targets of living By doing this, the internet could always be a miracle of human’s intelligence