Abstract:Youxian, the Ancient Name You & Youyu, get names from the Youshui river, which flow through the county. According to historical book, in the fifth year of the Han Dynasty ( 202 BC ), such names as Youxian, Youyuhou, Youshui, Xinxin, Anle and Youxian are titled after establishment of county government. At first, the county government lies in Wu Chu boundary and nearby the Houfeng Hill in approximately 561, then, it moved to the upper reaches of the You River, and next moved to this town Youxian ( town ) after five generations of girder ( 907 ~ 935 ). You shui River, comes from Chu, Wu border, now is Youxian Luanshan, village (the old Caopo village ) Songlingan natural village (the old Songling village ).