Yarlung Zangbo River (Yarlung Zangbo River) - “the Shannan sector” the Yarlung Zangbo River, in the ancient times Tibetan said that Yang Qiabu the Tibet cloth, Italy for the water which flows down from the highest crest. Its source and course has three: North pays stems from the Gangdise arteries, calls Ma Rongcang the cloth; Calls to cut Ma Rongdong, because the water volume is year to year big, was considered that is Yarlung Zangbo River's main river source; As soon as south pays stems from Himalaya Mountains, calls the storehouse compared to the Tibet cloth, this branch summer the water volume is every year big. In three branch convergence late arrival an unwearied effort section of general designation horse Quan River, but the area also has name this Jiang Weida east gripping to shovel the Tibet cloth, meaning of the Tibetan horse river; Or calls Ma Cangcang the cloth, Tibetan meaning of for the female river. The Lazi area calls Yang Quecang the cloth. West of Lazi, Yarlung Zangbo River is called reaches Zhuo Kabu, hides the meaning for the water which flows from the good horse's between lips. Area the wine-cup floating the place, Tibetan calls Yalu, (because calls elegantly prosperous the Shannan area this river current to Shannan area to have strip elegant prosperous tune to acquire fame), therefore, only then calls this rivers the elegant prosperous Tibet cloth. but reads in the wine-cup floating area makes Yalu, because “Lu” the Tibetan accurate pronunciation said that “prosperous”, Italy namely flows through the valley plain from the wine-cup floating the rivers, therefore entire section rivers general name Yarlung Zangbo River.