The benefits of Mindfulness meditation practices have been receiving increasing support and growing attention from empirical studies since the last few decades. The present paper reviews the literature about Mindfulness and its uses related to psychological wellbeing. It begins with an explanation about the construct of Mindfulness and how it can be used as a main treatment or as a component of others and evidences about its efficacy. Results show that it is effective in bringing to the patient positive psychological effects, fewer psychological symptoms and a better self-regulation. From these results on that topic, researchers recommend to incorporate Mindfulness practices in clinical interventions in psychology. It concludes regarding how the relation between Mindfulness training and changes in attentional processes are related to mood disorders and how it could be useful to increase psychological health in patients keeping them aware of the present moment.