This document discusses the history and current state of social work in mental health. It outlines three historical trends in mental health from the 1770s to today: moral treatment in institutions, specialized psychiatric units and psychotherapy, and current community care and deinstitutionalization. The document also discusses the social work values of respect, self-determination, and confidentiality that underpin practice in mental health. Finally, it addresses the policy context of promoting mental health and preventing problems through multifaceted services and multidisciplinary teams respecting consumers' rights.