Since the 1970s, Precambrian metazoans and metaphytes, such as macro-algae, soft-body fossils, spongespines, skeletal fossils and trace fossils in the whole Sinian biota have been studied in China, exceptstrotomatolies and microplants. A series of biotas or floras have been set up in different localities, in-cluding the Huainan biota, Liaonan biota, Lantian flora, Miaohe biota, Gaojiashan biota and Xilingxiabiota. In order to carry out a more intensive study of Precambrian palaeontology and genetic stratigraphy,