Method, device and system for processing network switch abolition

The invention discloses a processing method for canceling network switch, which comprises the following steps: a target mobile managing network element informs a target user plane network element to delete the resource allocated to UE (user equipment) after receiving a switching canceling message sent by a source access network element or the UE; the target user plane network element deletes the target network resource allocated to the UE after receiving the request. The invention further provides a processing device for canceling network switch and a system thereof corresponding to the method. The invention has the advantage that the resource waste of a target network can be effectively avoided.