This is a question we at Wellness By Lily get all the time. What exactly is Reiki? Reiki is derived of two Japanese words. Rei which means "higher power" or "Universal". And the Ki means "Life Force Energy". By putting them together they mean "Universal Life Force Energy". Reiki is a complementary and alternative medicine practice that uses energy fields to affect health. Energy therapies such as therapeutic touch and/or healing touch, are believed to balance the energy