According to the statistics in US, the 10 most commonly used Complementary and Alternative Medicine (CAM) therapies were use of prayer specifically for one's own health, prayer by others for one's own health, natural products, deep breathing exercises, participation in prayer group for one's own health, meditation, chiropractic care, yoga, massage, and diet-based therapies. In 2005, NCCAM divided CAM therapies into five parts including alternative medical Systems, mind-body interventions, biologically based therapies, manipulative and body-based therapy, and energy therapies. Aromatic Chinese medicine herb had the effects of outthrust evils from the exterior, transforming dampness, repelling foulness, rectifying qi, opening the orifices, circulation and pain-relieving. The volatile oil can go through effectively the organism with the character of small molecular and high penetrability. It fitted in Chinese aromatic herb with the characteristic of pungent in taste and outlet.