1, Huoshan Dendrobium: Huoshan Dendrobium is a perennial herb of the genus Dendrobium in the family of Orchidaceae, native to Huoshan County, Anhui Province. It has high value in Chinese medicine, and is considered to have the effect of relieving summer heat, waking up the spleen, clearing the stomach, promoting water, generating fluids, quenching thirst, clearing deficiency heat, etc., and it even has the effect of "lightening the body and prolonging the life of the people".

2, purple dendrobium: purple dendrobium is orchid dendrobium genus of epiphytic herbaceous plants, purple dendrobium in China is distributed in guangxi, yunnan, guizhou and southeastern Tibet, in thailand, laos, vietnam, and other countries also have distribution. It is a national key second-class protection of wild plants.

3, dendrobium: dendrobium is orchid dendrobium genus, born at an altitude of up to 1600 meters in the mountain semi-shady rocks. Mainly distributed in China Anhui, Zhejiang, Fujian and other places, by the Chinese state as a second-class protected plants.