As a bridge and link between OTC futures traders and futures exchanges, futures companies' main functions include: ① acting as an agent to buy and sell futures contracts and handling settlement and delivery procedures according to customers' instructions; (2) Manage customer accounts and control customer transaction risks; (three) to provide customers with futures market information, to conduct futures trading consulting, and to act as trading consultants for customers; ④ Manage assets for customers and realize wealth management. Futures companies and their employees shall not promise customers to realize profits.