Emotional intelligence, referred to as EQ, is the ability of an individual to monitor his or her own and others’ emotions and feelings, and to recognize and use this information to guide his or her thoughts and behaviors, which includes a series of related mental processes, and is a kind of important ability for people to process information about their own and others’ emotions. Emotional intelligence can be divided into the ability to recognize one’s own emotions, the ability to properly manage emotions, the ability to self-motivation, the ability to recognize the emotions of others and the ability to manage interpersonal relationships. 1. The ability to recognize one’s own emotions: that is to say, the ability to recognize the change of one’s own emotions, to detect the emergence of certain emotions in time, and to have an objective understanding and examination of one’s own inner world. 2. The ability to properly manage emotions: that is, to regulate their own emotions, so that they can be expressed at the right time and in the right degree. 3. The ability of self-motivation: the ability to mobilize and direct emotions at the right time according to the goal of a certain activity. 4. The ability to recognize others’ emotions: the ability to be sensitive to changes in others’ emotions, needs or desires through subtle social signals. 5. The ability to manage interpersonal relationships: the ability to regulate one’s own and others’ emotional responses.