Gastrodia elata Blume (scientific name: Gastrodia elata Bl.), also known as Rhizoma Gastrodiae, only shake Chi, from the mother, close grass, grass God, ghost, Mokpo, Ma tomorrow, will the wind on grass, white skin, orchid Gastrodia elata perennial herbs of the genus. Rhizome hypertrophy, without leaves, capsule obovate elliptic, often with tuber or seed propagation. Its roots into the medicinal treatment, be dizzy numbness, infantile convulsion and other disease, is a rare traditional Chinese medicine.