Abstract:[Purpose/significance] Scientific data traceability can not only commit protection to the rights and interests of scientific data generation subjects, but can also guarantee the validity of scientific research, which is significant to the effective management and employment of scientific data. [Method/process] Due to not timely information symmetry and curation in the traditional traceability means, scientific data traceability scheme in the perspective of block chain is presented in this paper. [Result/conclusion] On the basis of analysis on scientific data traceability connotation, discussion about the necessity and feasibility of scientific data traceability, the implementation proposition of scientific data traceability in view of block chain is put forward from three respects as traceability content, traceability platform and operating mechanism combining private chain and consortium chain.