There are 17 species in 17 genera of Orchidaceae plants in Tianyuhe River-Valley in Qinling Mountains.Most of them can be used as ornamental plants and some also have value of medicine production.

• 摘要秦岭田峪河流域内有兰科植物17种，分隶于17属，大多数种类可作为观赏植物，部分种类还具有较高的药用价值。