Ziyang, a prefecture-level city in Sichuan Province, is a county under the jurisdiction of Guzizhou. Changhong, Dong Jun and Wang Bo, ancient writers, are also called "Three Sages of Ziyang", and Lezhi is the hometown of Chen Yi, the founding marshal. Located in the middle of Sichuan Basin, it is connected to Neijiang in the south, Chengdu and Deyang in the north, Chongqing and Suining in the east and Meishan in the west. It is the only regional central city in Sichuan Province connecting Chengdu and Chongqing at the same time. Ziyang has a history of more than 2 100 years. It was founded in the Western Han Dynasty from 65438 BC to 035 BC, followed by counties. 35,000 years ago, the ancient "Ziyang people" opened the history of human civilization in Sichuan.