Orchidaceae for the study of taxonomy in Lhasa river basin from Xizang(Tibet),a newly recorded genus in Xizang (Frigidorchis Z.J.Liu & S.C.Chen) and subordinate the newly recorded species was recorded in Xizang[Frigidorchis humidicola (K.Y.Lang & D.S.Deng) Z.J.Liu & S.C.Chen],and the taxonomic feature pictures of the newly recorded species are provided.