Introduction to paleontology: Chuxiong Prefecture has always been known as the "Natural Museum" and the "Treasure House of Paleontological Fossils". It is located to the west of the north of the southern section of the Kangxi-Yunnan axis, and is the Pliocene and Pleistocene strata in southern my country. Key areas studied and demarcated. In the past half century, abundant fossils of ancient creatures such as arthropods, fish, dinosaurs, and phytonids, as well as associated mammal fossils, have been discovered here.