Yuwen source in Changwu County, Xianyang, Shaanxi Province refers to Yuwen. According to relevant public information, the Yuwen family was a famous surname in the Southern and Northern Dynasties in ancient China. Its history can be traced back to the third century BC, and it is one of the oldest surnames in the history of China. Changwu County, Xianyang, Shaanxi Province is the birthplace of Yuwen. Yuwen's ancestors settled here and formed a large family of Yuwen.