Emotional intelligence (EQ) development is becoming a more important issue among such significant factors as competence and efficiency due to the constant and rapid social transformations, new challenges, high social norms, and setting high professional standards. The ability to control emotions and recognize them is especially important for a future teacher who faces two objectives that make a success or failure when establishing communication: developing the personal abilities that provide a basis for emotional intelligence and developing students' emotional intelligence. A future teacher should be involved in searching for new approaches and tools for understanding and controlling emotions, as well as developing the ability to empathize. The aim of this research is to help a teacher acquires effective skills to build optimal relationships with colleagues and students. This search is also due to the need to develop the skills to exercise self-knowledge, understand the motives and goals in a professional teaching environment, to influence the emotions of other people, and to improve the leadership qualities. The article describes the results of an experiment carried out at the