It is considered therefore that the composition with the work of other members of health teams, nurses’ practices with children and their families in the context of FHU, at certain times and situations, proved to be mediated by the Health Surveillance model, with a view to integrality of care to child’s health. At the same time, aspects that do not favor the adoption of the assumptions of this model were revealed, ultimately linked to the lack of proposition and city policies which may support the configuration of spaces for reflection, discussion and definition of the interventions (sectoral and intersectoral) with participatory and inclusive character among users, as appropriate, and professional assistance and management, in turn, properly prepared for this purpose