FBC (Future business chain) takes advantage of the openness and transparency of the public chain, integrates into the smart contract of Ethereum, reduces the cost of business execution and makes the rules transparent. Based on 5G information, FBC (Future business chain) tries to combine the Internet of Things with finance as an entry point to create a new global Internet of Things financial free trade platform, and use the blockchain as the bottom layer to support the digitalization of the entire ecology. FBC (Future business chain) combines blockchain technology and IoT technology with supply chain management methods to realize the tracking of IoT product information and the traceability of global IoT product production and transportation.