Today,Yelang is still a huge mystery, Yelang’s ethnic group is a core topic, the experts pre?sented Yi theory, Pu theory, Liao theory, Xie theory, Miao theory, and so on. The 16 ancient texts in the bronze mirrors in Yelang period were found at Kele Township in Hezhang county of Guizhou province, the newly dis?covered ancient texts can be interpreted in Yi texts, it provides new evidence to prove Yi theory, namely Yelang belongs to Yi people.