The reason why Fenyang Filial Piety should be placed in Lvliang is: Fenyang, Zhili Prefecture of Fenzhou was upgraded to Guizhou in Ming and Qing Dynasties, and Yongning Prefecture was also a territory of Fenzhou. Xiaoyi was then a small county under the jurisdiction of Fenzhou Prefecture. When looking at the changes in Shanxi's administrative divisions, Xiaoyi once. Lvliang, a prefecture-level city, was founded in 197 1. It was just established. Before the establishment of the region, Fenyang Xiaoyi belonged to Jinzhong region. When Jinzhong was separated, Fenyang and Xiaoyi Jinzhong were abandoned, which was too far away and had too much land. Xiaoyi has now become very rich and excellent, with GDP exceeding Fenyang and becoming arrogant.