The emergence and spread of Internet communication has led to changes in social relationships, abuse of the Internet and maladaptive behavior. Among the authors who have studied the impact of these changes there is no consensus, and the results of their research are often contradictory. Some authors conclude that Internet communication strengthens networks of its users, while others believe that such communication leads to reduced participation in real social life. In a number of people, excessive use of the Internet adversely affects the mental health and social life and can lead to obsession at the expense of other aspects of life and creating addiction. The greatest risk of negative impacts of online communication is among children and young people. This paper is meant to indicate, the good sides as well as the negative consequences of excessive and non-functional Internet use