The enormous information technology achievements make computers play an important role and more popular over recent years, which is why the number of children playing computer and video games has gradually augmented. This essay will consider whether computers have a positive or negative influence on children. Nowadays, these games become a considerable issue for a number of reasons. One of the most concerned reasons relate to the violence they contain. Many games involve gunfights or swordfights, even murder, which may lead to increase aggressive feelings, thoughts and behaviors. Furthermore, children spend a lot time playing computer and video games instead of taking up some physical activities. Playing computer and video games distract children from their study because of addiction, which can result in stealing to serve their need. Last but not least, Ultra-violent video games are harmful so children with myopia do not dwindle over recent years. Despite these drawbacks, we can not deny the positive effects of these games. Play computer and video games can develop children’s intellectual skills. Because many popular games require abstract and high level thinking skills, children can apply these practical experience to their real life. Besides, helping children recognize their visual information rapidly and accurately is one of the vital advantages of these games. In conclusion, that playing computer and video games are useful or useless depends on how the individual use it. As far as I am concerned, these games can harm young people rather than advantage them if they are not under the control of their parents.