General fund management essentials of futures speculation: ① The investment amount should be limited to 1/3 to1/2 of the total funds; (2) According to the different amount of funds, the maximum trading funds of a single variety of investors should be controlled within 10% ~ 20% of the total funds; ③ The maximum total loss of a single market should be controlled within 5% of the total capital; (4) The total amount of margin invested in any market group shall be limited to 20% ~ 300 a of the total capital.