The thesis “art, creativity and mental illnesses” focuses on the potential values, functions and impacts that creative interventions in social work can have for people with mental illnesses. The psychiatric field was able to discover these values early on in the course of history and used them for therapeutic and diagnostic purposes. Through a closer look on the impacts that creative work can have, it can be recognized that the potentials are very versatile. These include without limitation, contributing to the individuals’ mental hygiene, sense of identity and autonomy, as well as allowing a change of perspective and an inclusion into the community and society. Some of these functions and impacts are also used in creative therapy when working with people with mental illnesses. Resulting from the complex problematic situations that people with mental illnesses face, social workers can have specific tasks and roles when working with this target group. Social work can utilize the functions and impacts of creative interventions on a micro, meso and macro level. Therefore creative interventions in social work can contribute to overcoming the specific and individual problematics of people with mental illnesses.