Dali County is the seat of ancient Fengyi County, located in the eastern part of Guanzhong Plain in Shaanxi Province. Since the establishment of Linjin County in the 16th year of Li * * (46 1 year BC), it has been called Linjin County, Huaide County, Huayin County, Nanwuquan County, Wuxiang County, Chaoyi County, Fengyi County, Binjiang County, Hexi County, Linju County and Tongzhou County. The Yellow River, Luohe River and Weihe River flow through the territory, and the Weihe River and Weihe River meet in Dali to join the Yellow River and flow from north to south to east. It is the pass and traffic artery of ancient Qin Jin, known as the "Three Qin Arteries" and "Three Auxiliary Towns", and it is a battleground for military strategists.