The essay describes the setting of the Brazilian Integralist Action (AIB) of Plínio Salgado wlthin the social and political context of Rio Qrande do Sul in the 1930s. The analysis places the íntegrallsm in the same category as the fascists movements. Thus, the subject is focused on the problems encountered by the movement during its regional expansion process, considering the particularities of that moment in history.