The goal of the TOOS system is to create a visualized block-chain traceability operating system for merchants, and to build a bottom-line traceable application commercial ecological public chain--TD chain . For enterprises, businesses, consumers, provide a block-chain technology application overall solution that can effectively solve the problem of traceability. TOOS uses block-chain technology, RFID technology, big data analysis, artificial intelligence and other technologies to achieve trust sharing among brands, channels, retailers, consumers, regulatory authorities, and third-party testing organizations, and comprehensively enhance brand and efficiency. , experience, regulation and overall revenue from the supply chain.