Adaptations of famous literary works into feature or animated movies today is increasingly present in cinemas and on small screens. But the question is how to recognize the quality o fan adaptation and whether, i fit i san animated movie, it is suitable for preschool children. In order to make such a judgment , it is necessary to study children's literature and what it consists of, and thus to judge the interests of children in a particular part of life. It is often considered that an animated movie, whatever it may be, is child-friendly, but sometimes that is not the case. It is true that children enjoy watching animations as they move around on the screen, but in order to be truly intended for children the theme of it must be close to children. The history of animated movies shows how we came to computer animation, which is nowadays widely used, and it is necessary to know how animated movies are made so that its quality can be better evaluated. In order to get closer to the theme of movie adaptation, here there is word about a comparison of Jack London's „The White Fang" and its adaptation by director Alexandre Espigares. This work seeks to portray literary work and animated movie from a critical point of view of appropriateness for preschool children. The breakdown of the literary work into characters and their characteristics , including the movie action, will lead to the conclusion for which age is this adaptation, it will also show which paths Alexandre Espigares took in making the movie and how it differs from Jack London's idea. The aim of this paper is to determine whether the changes made for the film were suitable for preschool children or whether the director did the exact opposite.