huzhuxianIntroduction：Introduction to Mutual Assistance: Mutual Autonomous County is a county in Haidong City, Qinghai Province. It is located in the eastern part of Qinghai Province and the northern part of Haidong City. It depends on the Daqi Mountain in the Qilian Mountains in the north, and connects with the Haiyuan County Menyuan Hui Autonomous County. The Northeast and Gansu Tianzhu Tibetan Autonomous County It is close to Yongdeng County, southeast is connected with Ledu District of the municipal government, and south is bordered by Pingshui County. It is connected to Datong County of Xining City in the west and Chengdong District and Chengbei District of Xining City in the southwest. The county is about 64 kilometers wide from north to south, 86 kilometers from east to west, and 3423.9 square kilometers. There are no lakes in the county, and there are 8 large and small natural rivers, all of which belong to the Yellow River Basin and the Lishui River system. The total length is 2895 kilometers. The Qingshiling of the Daban Mountain Range runs through the whole territory from the northwest to the southeast. The county is naturally divided into two major terrains. unit. The Mutual Autonomous County has jurisdiction over 8 towns, 9 townships, and 2 ethnic townships. 370,000 people (2011) are the only Tujia Autonomous County in the country with the largest and most concentrated Tus. The Han nationality is the main one, and the Tu nationality accounts for 17%. There are also Tibetans, Huis, Mongolians, and Salars.