Distributed book technology (blockchain) in China data management, accounting audit, financial and other fields led to research and practice boom. The article uses the knowledge map of CiteSpaceV and NVivo11 to study (1991-2017) the subject of the International (WoS and Scopus) domestic (CNKI) literature and domestic patent records. This paper uses LLR network clustering, keywords, timezone, institution and country, subject distribution and other methods for measurement analysis. The results show that the international research has not yet formed a complete theoretical system. International research is different from the domestic emphasis on specific applications and limited to the financial field of research status. International research is more emphasis on technical basis, technology, management research. The International research law shows the evolution path of "blockchainblockchaincombination with economicmanagement computer, network, algorithm, supply chain, technology researchapplication concretefuture expansion". The United States is the first research camp and center. Engineering, operations and management, business and economics, management is the study of the four major disciplines and knowledge base.