This article is devoted to the disclosure of the basic techniques and techniques for the development of emotional intelligence in preschool children. The work substantiates the need for the development of emotional intelligence in preschool children, its importance for the successful socialization of the child's personality. The author notes that the emotional intelligence of preschool children is a type of intelligence responsible for the child's recognition of his own emotions and the emotions of the people around him, as well as for controlling, managing his emotions and for influencing the emotions of other people. According to the author, at present, the number of preschool children with emotional instability has increased: aggressive, angry, conflict, which is why it is necessary to develop emotional intelligence at this age, but, unfortunately, many educators and parents do not pay due attention to this issue. Emotional intelligence is not an innate personality trait; the development of emotional intelligence is carried out in stages. At the first stage, emotion is perceived – this is the child's recognition of his emotions and the emotions of other people. At the second stage – understanding emotion – the ability to determine the reasons for the appearance of a particular emotion in oneself and in the people around him, establishing a connection between emotions and thoughts. At the third stage – managing emotions – the ability to suppress emotions, awaken and direct own and others' emotions to achieve goals. At the fourth stage – using emotions to stimulate thinking – awakening creativity in oneself, activating the brain with the help of one's own emotions. The article discusses various techniques and techniques for the development of emotional intelligence in preschool children.