LTAC (Luxury Traceability Chain, Luxury Traceability Chain) is a circulation chain that records tangible goods or intangible information through tracking. Through the registration of each circulation, the whole process can be traced from the source information collection records, raw material source traceability, production process, processing links, storage information, inspection batches, logistics turnover to third-party quality inspection, customs entry and exit, and anti-counterfeiting authentication , optimize the accuracy and security of supply chain data services based on luxury traceability information, and then provide supply chain financial services for participants in the industrial chain.