The embodiment of the invention provides a block chain-based futures transaction data processing method and device. The method comprises: configuring a futures contract standard of a subject matter and a first block chain used for storing tokens of the subject matter in advance; receiving futures contract subscription information of the first user; generating an intelligent contract based on the first block chain, a first address, corresponding to the deposit, of the first user and the futures contract after it is confirmed that the deposit payment is completed; wherein the intelligent contract is used for stipulating to record the income in the address, corresponding to the deposit, of the first user after the flattening condition is reached. According to the embodiment of the invention,securitization and transaction of futures are realized based on the block chain, the method is public and transparent, a user can directly purchase the futures by setting the price, other users can directly purchase the futures conveniently and quickly, and the futures transaction efficiency and safety are improved.