To verify the application of the Operative Group as a care tool for the workers of Primary Health Care, with a view to the constitution of mental health care at work.Convergent Care Research as a research process and health workers as subjects. The intervention strategy as a proposal to accommodate the mental suffering of the worker was the Operative Group.Two categories emerged: "Evidence of Suffering at Work" and "Group Learning: Group Reception by the Group".The use of the Operative Group has been assertive in providing the subjects with a space for listening to adversities in the work environment and active learning of reality, reflection and confrontation of basic fears, development of a pro-change project through peer and active learning of reality.