Mercury is a neutral planet that changes according to its placement in signs and houses. A person ruled by this planet has changing temperament, sharp thinking, inherent anxiety and versatile, diverse interests. It rules lungs and nervous system, education, intestines, writers and businessman.

Mercury rules education, businessmen, traders, writers, artist, lecturers, the nervous system and the lungs. It is associated with the travel, the color green, earth element, cold energy and the nervous system. People with a storng Mercury generally have the ability to perform activities quickly and handle several matters simultaneously.