Qinghai - Tibet Plateau is major sources of many great rivers in Asia, such as Yangtse River and theYellow River in China, and some important international rivers as Mekong, Salween, Brahmaputra, Indi-an, Irrawaddy, and Ganges.Here is characterized by the highest elevation in the world; rich sunshine; and quite low temperature.These factors vary greatly between different regions in the same latitude in China.The precipitation and runoffis different between different areas and years. Hie forms of surface streamflow feed include precipitation feed,groundwater feed, and snowmelt feed.The sediment concentration is relatively lower and the water quality isgood.With the global trend of regional integrated economic development, it will benefit the Sustainability ofthe reparian countries, that the international rivers in Tibet are developed comprehensrively and coordinately,for supplying the high guality hydropower energy and water resources.