The COVID-19 pandemic caused an erosion of health systems worldwide, which is why it should be evidenced that nursing can facilitate through assessment, planning, implementation and educational interventions easy ways to act on self-care to prevent Covid-19 aimed at the individual, family and community, reducing the number of cases whose purpose is to strengthen or restore health and prevent disease. The aim of the study was to carry out an educational intervention on the prevention of COVID-19 through the development of nursing actions based on Dorothea Orem's self-care theory. A quantitative descriptive cross-sectional study was carried out with a quasi-experimental design. With a sample of 255 participants. A sociodemographic survey, confinement and a behavioral self-assessment instrument for self-care in the face of the COVID-19 health emergency were used. After the evaluation of the educational intervention, it was determined that 93.7% of the individuals reported adequate self-care for the prevention of covid-19. Concluding that the educational intervention is a strategy that guarantees a good understanding of the self-care process.

Keywords : Self-Care, COVID-19, Educational Intervention, Nursing Action