Introduction to Dingcun Stone Tools:A total of 11 stone tools have been discovered since 1954. Most of them are made of angular shale, and are mainly stone flakes. The types include choppers, scrapers, pointed tools and stone balls. etc. Among them, the thick triangular pointed organ is unique to it. The differences in the types of stone tools in Dingcun are obvious. Some of the pointed tools are smoother and some of the stone flakes are more regular, which shows its progressive nature.