Dendrobium hairpin is also called dendrobium, flat hairpin, flat yellow grass, flat grass. Dendrobium hairpin is a perennial herb, stems clustered, the upper part is slightly flat and slightly curved up, with grooves, nodes are slightly thick, the base is narrowed. Leaves nearly leathery, oblong or long oval, flowering with or without leaves. Throughout the generations of famous books will be Dendrobium officinale as "medicine in the top grade" plant gold "said. Dendrobium its special living environment and outstanding tonic effect and listed in the "Chinese nine great herbs" of the first, for millions of years for successive generations of the emperor dreamed of the treasure. The "Nine Immortal Herbs" was named after the Taoist classic "Daozang" during the reign of Emperor Kaiyuan of the Tang Dynasty. Taoist classic "Daozang" had the dendrobium, Tianshan snow lotus, three two ginseng, a hundred twenty years of Shouwu, the flower of the Cistanche, deep mountain Ganoderma lucidum, underwater pearls, Cordyceps and so on as China's "nine great herbs".

Dendrobium officinale is beneficial to the stomach, nourishing Yin and clearing heat. It is used for heat disease and fluid injury, dry mouth and thirst, lack of stomach yin, less food and dry vomiting, deficiency of heat after illness, yin deficiency and fire, bone vapor and labor heat, dark and unclear eyes, and impotence of tendons and bones.

Dendrobium can be anti-aging, improve immunity, dendrobium orchid polysaccharides that have attracted much attention in recent years also have significant immune-enhancing activity and anti-aging, anti-radiation body and other effects. At present, the developed Chinese patent medicine and health care products are favored by people. Dendrobium processed "maple dipper" or "earrings dendrobium", also sells well in Southeast Asia and Europe, the United States.