50 samples were collected in July 2015 from the Altay Two RiverSource Nature Reserve wetland in Xinjiang，China.Through identity，11 taxa from desmids were newly recorded in Xinjiang which belonged to 5 genera.They were Closterium striolatum var.subtruncatum（West & West）Krieger， Pleurotaenium ehrenbergii（Brébisson）De Bary，Euastrum oblongum（Greville）Ralfs， Euastrum verrucosum Ehrenberg ex Ralfs，Micrasterias papillifera Brébisson ex Ralfs，Micrasterias thomasiana Archer，Cosmarium bioculatum var.hians West & West，Cosmarium conspersum var.latum（Brébisson）West & West，Cosmarium moniliforme Ralfs，Cosmarium regnellii Wille and Cosmarium regnellii var.dilatatum（Messikommer）Krieger & Gerloff.These new records would enrich study data of desmids in Xinjiang.