The aromatherapy has applied essential oil as the tool to help people maintain a healthy body condition through the use of massage and fragrance. Moreover, the name complimentary treatment, originated from aromatherapy, has been widely used by medical and cosmedic fields. However, its role played in sports science field is still uncertain and rarely discussed. The study simply introduced the fundamental concepts of aromatherapy and how it worked with human body and reviewed the recent literatures of sports science related aromatherapy effects on human and experimental animals. It is hoped that the review will be able to help people from the field of sports science to get to know the age-old treatment more for better future development on sports performances and related products.