The quarrel concerning the violence is recurrent subject in the current days. The objective of this work is to observe how is the intervention of the professional who directly acts with the phenomenon of the physical violence against children and adolescents. This professional is the Social Worker of Justice. The study debate the phenomenon presupposing that its multiple manifestations composes Brazilian society since its colonial period and that the recourse to the violence is effect of a historical construction that justifies the use of the physical discipline when the objective is to guarantee both behaviors and docile bodies adjusted to the social rules. Human being is product of its history, the idea of being necessary using violent practices to make obedience and subordination, ended up influencing not only the institutions responsible for the maintenance of the order, but also the holder of micro powers, as the family. In a quarrel that tries to perceive the ways social worker acts in relation to the violence against children and adolescents, hypotheses are raised much more that found answers about of this phenomenon that always was present in our daily life. However, only recently, it entered in the agenda of concerns and interest of many actors. In this direction, the present research, through the analysis of social reports constant in procedural actions referring to the violence against children and adolescents of the Social Service of a Pole of Family, Infancy and Youth of the state of Rio de Janeiro, as well as of interview with Social Workers and Psychologists of the referred Pole, it search characterize the performance of the professional of Social Service in what concerns to the familiar violence against infancy and the adolescence. In an attempt to reconstruct the trajectory of the violence in Brazil, as well as tracing a parallel between violence of the world of the street and violence of the world of the house, it also look for to locate the spaces occupied for infancy for the long of time, as well as arguing on the steps taken for the constituted powers for its protection for the long of history. It still search to present the transformations occurred in the Brazilian family as also its perceptions concerning the phenomenon in question. Finally, it look for to show the evolution of the profession of Social Service, as well as the role played for the Social Worker in the sphere of Justice, more specifically in the Pole of Family, Infancy and Youth.