In today's modern world, video games have become an important part of children's everyday life. In the final work the main emphasis is on the presentation of objective findings on how video games can influence child’s development. This influence of video games has it’s positive and negative aspects. There are several types of video games. According to the PEGI standard, video games are categorized into several categories, depending on their age appropriateness. Individual and contextual factors such as age, gender and socio-economic can moderate effects of video games. Many researchers point out the positive and negative aspects associated with playing video games. Playing video games often include a sedentary lifestyle that contributes to obesity and unhealthy diet and increasingly poorly developed engines, especially fine engines. They also warn of the connection between playing video games with certain negative health consequences and difficulties in attention. There is also a new area of addiction - addiction to video games. On the other hand, video games have important role in education. Researchers are very focused on potential connection between aggression and video games with violent content. Although there are many different research and debate on this subject, today, this issue is mostly resolved. Playing video games can sometimes occupy most of the day. In that case, it is necessary to modify the habit of playing whereby everyone involved in the education and training of a child.