Abstract
This article attempts to reference and establish the option of considering, descriptively and normatively, social intervention as an activity that: (1) is nuclear within the sectoral scope of social services (with which it shares a purpose: interaction), although it is also carried out in other sectors of activity; (2) requires the concurrence of several disciplines and professions, and, fundamentally, of social work, social education (and pedagogy) and the psychology of social intervention; (3) as a whole and within the evolution of the pro-welfare action and social policies, is proposed as a preventive, personalized, integrated and ecological action; (4) in the knowledge society, is called to reinvent itself, challenged and stimulated by technological (digital) and social innovation.