Introduction to Neolithic Culture: The Dadunzi Neolithic Cultural Site is located in the eastern part of Yuanmou County. It was discovered in the autumn of 1971. After 4 excavations, nearly 3,000 relics were unearthed, including pottery, stone tools, horn tools, bones, Teeth, clams, carbonized japonica rice, house foundations, fire ponds, kilns, and tombs are rich in cultural connotation, with 13 cultural layers and a total area of ​​more than 16,000 square meters. It is one of the more representative cultural sites in the Jinsha River Basin in the upper reaches of the Yangtze River in my country. .