The preschool teachers' job involves daily exposure to multiple interactions: with children of different ages and needs, with parents, and other employees from kindergarten. In addition, preschool teachers' are also a model, a role model that children imitate in a very sensitive period in child development. Considering that preschool teachers' have very complex job requirements, they can experience high levels of stress and burnout at work. For successful burnout prevention is important to manage emotions, which encompasses the concept of emotional intelligence. Therefore, the aim of this study is to explore the importance of emotional intelligence for preschool teachers'. Emotional intelligence is a set of several abilities: the ability to recognize, understand and control emotions. Developing emotional intelligence in preschool is important foundation for child development. A review of research has shown that encouraging the development of emotional intelligence that includes a component of emotional knowledge (recognition and labeling of emotions) and an emotional control component is associated with improving children's emotional and social competencies as well as reducing aggressive behavior. Beside the fact that the developed emotional intelligence of preschool teachers' help them to encourage and develop children's emotional intelligence, highly developed emotional intelligence of preschool teachers' is also important for their well-being because emotional intelligence it is associated with less burnout at work. Furthermore, research shows that preschool teachers' consider that emotional intelligence is important, but they themselves don't have enough knowledge about different components of emotional intelligence. There are different models of emotional intelligence, but some authors dispute the importance of the concept because of overlap with other concepts and difficulties in measurement. Nevertheless, focusing on the development of recognizing, understanding and regulating emotions from preschool age has multiple benefits for children and preschool teachers' as well as the wider social environment.