A method of a device for managing interface circuits between an access network and a core network that relate to a telecommunication technology field includes: sending, by a resource management entity, a circuit management message to a control function entity, converting in format and sending, by the control function entity, the circuit management message to a resource coordination entity, wherein the circuit management message is configured to instruct the resource coordination entity to implement a circuit management operation; or receiving, by the resource management entity, a circuit management message sent by the resource coordination entity, converted in format and forwarded by the control function entity, and implementing, by the resource management entity, the circuit management operation according to the resource management message.