This dissertation aims to analyze whether the residential care institution can exercise the functions of social protection for adolescent mothers who did not receive these social protection facilities in their origin families. Therefore, we have started from our own professional experience description and reports from professionals and young people involved in the hosting process, and were also inspired by the contribution of Edgar Morin and Urie Bronfenbrenner, in which we have introduced the idea of contextualized and decontextualized everyday practices, to analyze the complexity of hosting young mothers with their children. The survey is developed having as a field studies, the only residential care institution that at that time was hosting adolescent mothers with their children in the city of Rio de Janeiro. The researcher resorts the qualitative methodology of participant observation as ecological experience, also semi-structured interviews to analyze the psychosocial context of the accepted people; the conceptions of the professional regarding to socio-family reintegration and the main daily practices. This dissertation articulates such a great relevant academic theme with public politics debates intending to collaborate to expand the visibility and the understanding of the problems faced by hosted adolescent mothers, overcome the practices that do not value vulnerability stories, and highlight the effect possibilities for their rights once they suffer several violations.