Xixia (A.D. 1038- 1227) was a political power established by Xixia people in western China in the history of China. In the first year of the Tang Dynasty (88 1 year), Tuoba Sigong occupied Zhou Xia (now Hengshan County in northern Shaanxi), which made it difficult for us to save time and make Xia Guogong independent from generation to generation. 1038 when People's Republic of China (PRC) was founded, it was named "Daxia" with Xia as its national title. Because in the west, the Song people called it "Xixia". [