The efforts of labor-intense collections in the Early Cambrian Chengjiang Lagerstatte in eastern Yunnan Province lead to the discovery the soft-bodied fossil concentration, which could be regarded as a special status of fossil concentration with peculiar preservation, taphonomy and deposition. Many informations of the interaction between animal and environment were contained in it and it is meaningful to the taphoniomic and paleobiological research work of Chengjiang fauna. Many people have reported the spe...