Equidade em saúde: Reflexões do princípio doutrinário potencializador da atenção primária a saúde

Objective: to analyze the contributions of the equity principle in the context of Primary Health Care, as well as nursing assistance in the scope of health equity. Method: A literature review study was carried out in SciELO and LILACS, carried out from July 2020 to September 2020, with the descriptors in Health Sciences: “Primary Health Care”; “Equity in health” and “Unified Health System”, applying the “and” operator, with the inclusion criteria Portuguese Language, complete texts and published in the period from 2015 to 2020. As exclusion criteria, duplicate review articles and that did not contemplate the objective. Results: Using 13 articles for the study. Discussion: Equity is an enhancer of the Unified Health System, in which it presents the resoluteness of actions and nursing care. Conclusion: Equity reduces inequalities during health practices, providing care based on public policies.