Media in today's world is permeated by the large number of people's activities on a daily basis. Whether traditional or new media, they have power that affects the lives of children as well as adults'. For the use of certain media, it is important to recognize the quality of the content, and to do that, it is necessary to know the basics of media literacy. Media literacy is the theme of this paper, and it refers to the media literacy of parents and educators, and children themselves. The paper describes ways, related to adults, more specifically parents and educators, how to educate themselves in the media, and provide adequate media education to children, whether it is a family home or an educational institution, ie. a kindergarten. The reasons why media literacy is important in today's world are also cited as well as examples of how to introduce children to the media from an early age. Media influences are cited as one of the most significant parts of this paper, considering both the positive and negative sides of them, primarily affecting children and then adults. Children are born in the media world today, and for this reason, the very definition of a child and childhood, as well as his rights, is mentioned. To be literate in the modern world involves not only writing and reading, speaking and listening, but also media literacy, which is discussed below.