Sanyuan was called "Jiaxu" in history and "Chiyang" in ancient times. It is located in the middle of Guanzhong Plain in Shaanxi Province, and is named after Menghouyuan, Fengyuan and Bailuyuan. Sanyuan is the land of ancient capital. It has a history of 1560 years since the capital was established in the seventh year of Taiping Zhenjun in the Northern Wei Dynasty (AD 446), and is known as "the capital of food and clothing, the mouth of hundreds of millions". Sanyuan county has obvious geographical advantages. Sanyuan is located in the arc center of large and medium-sized cities around Xi, Xianyang, Weinan and Tongchuan. Lintong, Fuping and Yanliang in the east, Gaoling in the south, Jingyang and Chunhua in the west, Tongchuan New District and Yaozhou District in the north. It is the economic hinterland of "one line and two belts" construction in Guanzhong, Shaanxi Province, and the north gate of the provincial capital xi. Sanyuan is 30 kilometers away from Xi and 20 kilometers away from Xianyang International Airport. Longhai Railway runs through the east and west, Huang Xi Expressway and Xitong Expressway run through the north and south, and 2 10 National Highway, 208 Provincial Highway and 107 Guanzhong Ring Road crisscross, with superior development location and convenient transportation.