Futures is a futures contract, which refers to a standardized contract made by the futures exchange and agreed to deliver a certain quantity and quality of the subject matter at a specific time and place in the future. According to the different subject matter of the contract, futures contracts are divided into commodity futures contracts and financial futures contracts. The subject matter of commodity futures contracts includes agricultural products, industrial products, energy and other commodities and their related index products, while the subject matter of financial futures contracts includes financial products such as securities, interest rates and exchange rates and their related index products. Futures contract is the object of futures trading, and participants in futures trading transfer price risk and gain risk income by buying and selling futures contracts on futures exchanges. The standardization of futures contracts facilitates the continuous trading of futures contracts, makes them have strong market liquidity, greatly simplifies the transaction process, reduces the transaction cost and improves the transaction efficiency.