Though systematic investigation, specimen collection, inspection, sorting and identification of the Oberonia Lindl. of Orchidaceae from Xizang Autonomous Region, China, five newly recorded species had been found, which are: Oberonia longibracteata Lindl., O. falconeri Hook. f., O. pyrulifera Lindl., O. jenkinsiana Griff. ex Lindl and O. anthropophora Lindl.. The morphological descriptions of the five plants are provided, and their voucher specimens are deposited in the herbarium of Research Institute of Xizang Plateau Ecology(XZE). At present, there are 14 species of Oberonia Lindl. in Xizang Autonomous Region, China. A key to species is prepared to identify the resources of Oberonia Lindl. and protect them effectively.