The dissertation Poster design in Cinema Marginal and Pornochanchada aims at understanding the way the movie posters from these films genres, in the era between 1968 and 1973, convey, in their graphic characteristics, marks from the historical moment in which they were produced. To achieve this, the selected pieces are analysed from a mainly symbolic perspective, which makes possible for us to perceive that the singularity of the movie poster is not only found in its choices of graphical design, but also in the relationship that is permanently, linked to cinema`s own social imaginary, to social relationships, and to individual affective memory. During the course of this in investigation, an overview of the social, political and cultural contexts of the era is presented, and also an analysis that, from the empirical observation of the movie posters in question, the comparison of different aesthetics and particular narratives to each film genre, and also taking into consideration the different methods of production of the movie poster itself, tries to understand the importance of the movie poster for Brazilian social history, and national development of graphic design, while also identifying the influence of historical context on the development of graphic design, and what could turn the movie poster into a device that can go beyond its original function of commercial communication.