This thesis is a descriptive study on the socialization work with homeless children in Belém, developed by the Movimento Republica do Pequeno Vendedor - RPV. For this, it has studied firstly the conception and history of poor children in Brazil, their socialization process, public policies for them, as well as the guiding principles that underlie the work of the RPV. The study starting point was the hypothesis that the RPV has been building strategies and pedagogical practices that introduce the homeless children into society. To collect the survey data, documents from the Municipal Council for the Rights of Children and Adolescents in Belém - CMDCA, Pope John XXIII Foundation - FUNPAPA, Foundation of Welfare of the Child and Adolescent of Pará· - FUNCAP, Home of Mary, Child s Recovery Center- CVC, the two poles of assistance of RPV - Jurunas and Benguí - were consulted, as well as the libraries of the three major universities of Pará·: UFPA, UEPA and UNAMA. The study is based on the assumption of qualitative research and data collection instruments were documentary survey, interview and participant observation. The documentary survey selected primers, statutes, bylaws, brochures, reports and projects, in order to report the trajectory of the RPV. The interviews and observations formed other methodological tools of research. Interviews were processed with the founder, coordinator, former coordinator, educators and general partners of the RPV, following a script of questions predetermined for each interviewee. The data analysis demonstrated that the socialization process developed by RPV is positive and enable the integration of these children into society.