The paper considers elements of modern media environment taking more and more space in day-to-day life of people. The modern media environment enriched with various informational and technological resources, information transfer speed and availability of all kinds of content in unlimited quantities, requires careful examination--first of all, revealing dangerous and harmful effects of human interaction with media environment. There is a necessity of development of media hygiene from early childhood for the purpose of safe use of media content. The safety of media space is in general the task of state as the institution of society organization.