RESUMO
A systematic review was conducted. So, electronic database including CINAHL, Embase, MEDLINE, Pubmed, Scopus and Cochrane-Central were explored in January 2017 and in October 2017. The aim of this systematic review is to identify, appraise and synthesize the best evidence for the effectiveness of programmes of positive mental health in adults. Mental health is regarded as an ideal functioning state of the human being, which emphasizes the relevance of promoting the person's qualities in the optimization of their potential. Mental health is not inert and definitive but a dynamic and variable state. Studies were reviewed and data extracted by two independent reviewers using Joanna Briggs Institute standardized critical appraisal and data extraction instruments. Six studies met the inclusion criteria for the analysis. However, a meta-analysis could not be performed. The results suggest that positive mental health programmes improve adults' mental condition, although there is neither evidence of content formalization nor of programme sessions criteria. The review findings indicate that interventions promoting positive mental health of young adults can be implemented effectively in community settings with various programmes and results.