This dissertation has as its central object of study the poetry produced within the scope of Portuguese surrealism (1949-1953), with an emphasis on the search for a specific sensitivity that identifies a poetics structured and carried out within the surrealist project in Portugal. In a brief first moment, the work turns to the analysis of the historical context of the movement s emergence and development. Next, the opposition between surrealism and rationalism and its aesthetic, social and political implications are privileged. Subsequently, a study of images in surrealist poetry is presented in general, in order to establish theoretical paradigms of this imagery, together with the constituent characteristics of Portuguese surrealism. As an unfolding, the study of images produced from the analysis of countless poems and a manifesto is made. In addition to Mário Cesariny de Vasconcelos, other poets with active participation at the movement are brought to the analytical elaborations presented. The main hypothesis is that the production of images, as a production of thought, acquires great centrality in the production of a specific artistic sensitivity, called surrealist.