ansaixianIntroduction：Introduction to Ansai: Ansai County is a white land, and Gaonu County has been set up since the Qin and Han Dynasties. Jinming County was established in the Sui and Tang Dynasties, Ansaibao was set up in the Song Dynasty, and the county was established in the Southern Song Dynasty (1252). The rest of the year. Ansai is in the hinterland of the Loess Plateau in the northwestern inland, on the edge of the Ordos Basin, in the northern part of Shaanxi Province, in the north of Yan'an City, in the west of Zhidan County, in the north of Jingbian County in Yulin City, in the east of Zichang County, and in the south of Ganquan County and Pagoda. Connected to the area, it is a typical hilly and gully area of ​​the Loess Plateau.