the present invention relates to the field of communication technology , and a de - registration method , a home nodeb and a home nodeb gateway are disclosed . in an embodiment , the present invention provides a de - registration method , comprising : initiating , by an hnb gw , release of pre - registration resources corresponding to user equipment after the hnb gw receives indication information indicating that the ue moves to another cell from a source hnb . applying the embodiment of the present invention can release pre - registration resources in time and reduce waste of resources .