One of the major benefits of a system approach is that the information is able to be shared to any individual members. Thus, a system can be successful if it is hierarchical, resilient and self organized. In this paper our objective is to imagine designing a system approach that is based on addiction, prevention and also treatment of substance abuse. In a world of social and societal issues more complex, it is the skills of the social worker and nature of the issues at stake that determine approaches. The evaluation of a problematic situation must give prominence to ...