Mobility management method applied to mobile communication

The invention discloses a mobility management method applied to mobile communication. The method comprises the following steps of: A, when updating or detaching an attached and tracked region, sending a mobility state updating request message to a network by user equipment; B, judging whether the updating request is accepted by the network; if the updating request is accepted, sending a mobility state updating accept message to the user equipment, updating the latest state of the user equipment in network equipment and performing the step C; if the updating request is not accepted, sending a mobility state updating refuse message and performing the step D; C, receiving the mobility state updating accept message and updating the mobility state thereof by the user equipment; and D, receiving the mobility state updating refuse message by the user equipment. By the method, the mobility management process during mobile communication can be simplified.