This article wants to account for the conflict that ideologies present when they take reality as a reference and turn it into something empty. For this, some of the tactics of ideologies are examined: the production of discourses, the idea of propaganda, the conscience of the citizens, the identification of the opposite and the problems derived from the abstractconcrete relationship. In this way, it is intended to make that even today ideologies carry a lot of weight and function as substitutes for reality.