The margin of futures trading is divided into exchange margin and futures company margin. If the total margin ratio is 10, it means that the leverage of this variety is 10 times, the total ratio is lower than 10%, the leverage of the corresponding variety is higher than 10 times and the total ratio is higher than 10%, which means that the leverage of the corresponding variety is lower than 10 times. Therefore, investors must pay attention to risks when participating in futures trading.