maduoxianIntroduction：Introduction to Maduo: Maduo, Tibetan means “the source of the Yellow River”, in the northwest of the Guoluo Tibetan Autonomous Prefecture of Qinghai Province, in the south of Qinghai Province, in the northwest of the Guoluo Tibetan Autonomous Prefecture, and the Guoluo Tibetan Autonomous Prefecture is the county of Guoluo Tibetan Autonomous Prefecture. . Maduo County, it is connected to Dulan County of Haixi Mongolian Autonomous Prefecture in the north, Xinghai County of Hainan Tibetan Autonomous Prefecture and Malang County of Guoluo Tibetan Autonomous Prefecture in the east, and Dari County and Sichuan Province in the south of Guoluo Tibetan Autonomous Prefecture. Quxian County meets, west is connected to Qumalai County of Yushu Tibetan Autonomous County, southwest is connected with Yushu Tibetan Autonomous Prefecture, 207 kilometers wide from north to south, 228 kilometers long from east to west, and 25253 square kilometers in the whole county. The average elevation is above 4,200 meters, and the annual average temperature is -4 °C, which is an alpine grassland climate. The Eling Lake, Zhaling Lake, Winter Gatak Lake, Xingsuhai and Yellow River have become rich in water resources, and there are considerable mineral resources in the underground waiting for development.