Along to the rapid development of our society, we nowadays can easily communicate with other people through the Internet. Some people state that Internet brings about a lot of benefits, however, others claim that there are still a variety of drawbacks coming from the Internet. Both groups are right but in this essay, I will nominate some of the harmful effects of the Internet. First and foremost, I believe that the Internet significantly contribute to the people’s health. Many people have addicted to the Internet as they spend more than 10 hours in front of computers. As a consequence, they easily get in tired feel sleepy. Sometimes, keeping a watch on the screen for a long time may cause eye problems such as myopia or blindness. Moreover, Internet may be used for playing game or gossiping with friends. They obviously waste people time, while we can do more healthy activities like playing sports or doing exercises. Another downside of using the Internet is the security. Most of online-community force people to register with true profile to be a user if they want to interact with others. Then, their account will be put at a high risk of being hacked by hackers from any place in the world. Annually, a huge number of people are being exploited or even stolen the private information to benefit the hackers. To sum up, Internet plays a vital role in the today’s world life. Nevertheless, using it not only hold a lot of merits but also lead to numerous harmful effects so people need to be wide awake when using the Internet.