Article 29 of the Regulations on the Administration of Futures Trading stipulates that the margin system shall be strictly implemented in futures trading. The margin collected by the futures company belongs to the customer, and it is strictly forbidden to use it for other purposes except for the following transferable circumstances: ① pay the available funds according to the customer's requirements; (2) Pay handling fees and taxes for the customer deposits received; (3) Other circumstances as stipulated by the the State Council Futures Regulatory Authority.