Introduction: Mindfulness, as a third generation psychotherapy, focuses on present moment awareness. This study has a cultural and socioeconomic diversity of the population allowing to know how Mindfulness promotes emotional well-being in times of crisis. Objective: to determine the effectiveness of Mindfulness to improve the quality of life of teachers. Material and methods: descriptive-explanatory study, using a pretest and retest design with a quantitative approach. The sample was non-probabilistic, composed of 50 teachers, selected by convenience sampling. A form was designed with demographic variables and GHQ-28 test. The data obtained were processed using the SPSS V 22.00 statistical program. Conclusion: the quality of life before and after the application of the intervention plan was significant. The application of mindfulness is recommended as an effective intervention to mitigat...