grassland culture. Ancient history Before the Zhou dynasty, it was a nomadic area such as the Guifang and Lin Hu. In the Warring States Period, it was the Yunzhong County of the state of Zhao, and later belonged to the state of Qin. At the beginning of the Han dynasty, it was the front line of the Han–Xiongnu War. Emperor Wu of Han set up Shuofang County here. When Emperor Xuan of Han called the Huxie Chanyu to come, he became the residence of the Southern Xiongnu. Later, Hu Han lived in harmony, and the uprising of the Five Barbarians broke out in the Western Jin dynasty. Sixteen Kingdoms were the pre-Qin and post-Qin territory. The Northern dynasties belonged to the Northern Wei dynasty, the Western Wei dynasty, and the Northern Zhou dynasty. In the Sui and Tang dynasties, they were all territories. In the Tang dynasty, they were placed in the party, and the famous General Guo Ziyi once held this position. During the Anshi Rebellion, Emperor Suzong of Tang fled to this place. Qin Zhidao and Qifang County Qin Zhidao was an important military road for Qin Shihuang to be supervised by Meng Tian from 212 BC to 210 BC. Qinzhidao starts from Yunyang Linguang Palace in the Xianyang military site, and goes to Jiuyuan County in the north. Qinzhidao passes through Ordos City, three Banners and one district, the Qinzhidao site protection unit is established in Ordos City. One of the northern border counties of the Han dynasty, the Sufang County was set up in the Western Han dynasty. In 127 BC (Yuanshou two years), Emperor Wu sent Wei Qing and Li Xi to send troops to attack the Xiongnu. Soldiers from Yunzhong County, west of Gaochun, and then westward to Fuli (now northern Gansu), regained the Hetao. The jurisdiction of the original Qin dynasty (commonly known as "New Qinzhong"), and the Sufang County in the south of the Yin Mountain, has been identified in the northwestern part of the current Otog Banner. Tongwan City Tongwan City is located at the junction of Ordos City and Jingbian, Shaanxi Province. It was the capital of the Daxia Kingdom during the Northern dynasties and Sixteen Kingdoms 1500 years ago, In 407 AD, the Xiongnu leader Helian Bobo called himself “Tianwang, Great Chan Yu, occupied and located in the desert. The first year of Helian Bobo's kingdom called "Fengxiang", the