To describe and to analyze the proposal for intervention in the waiting room as a possibility for Nursing in mental health in group context. Descriptive study with a qualitative approach, convergent care type, developed in a Psychosocial Care Center for Alcohol and Drugs in the interior of the state of Goiás. The service in the waiting room provided moments of reflection, knowledge, learning, listening and exchanging experiences. Final considerations: The meetings in the waiting room favored the articulation between theoretical knowledge and the practice of nursing care in groups, constituting a space with a valuable locus for the development of educational and support actions in health services, to be undertaken by the nurse and, also, by other professionals of the health team.