Emotional intelligence is generally said to include three skills:
Emotional awareness, including the ability to identify your own emotions and those of others;
The ability to harness emotions and apply them to tasks like thinking and problem solving;
The ability to manage emotions, including the ability to regulate your own emotions, and the ability to cheer up or calm down another person.
We found an interesting article that sheds more light on how you can make use of knowledge in this area for your personal and professional competency. Enjoy!