A mobility management procedure initiation method, wherein a mobility management procedure is one of a current location registration procedure, an attach procedure, a Tracking Area Update procedure, a Routing Area Update procedure, and a Location Area Update procedure, said method being performed by a device and comprising the steps of: initiating a mobility management procedure with a core network entity via a base station, wherein the mobility management procedure comprises establishing, by the device, a radio resource control, RRC, connection with said base station, and after the RRC connection is established, sending by the device a mobility management request to the core network entity over said RRC connection and receiving a response thereto from the core network entity over said RRC connection; and determining that the initiated mobility management procedure has failed; said method being characterized in that: when a quantity N of continuous failures of the mobility management procedure is greater than or equal to a first threshold, determining, whether N pieces of failure information comprise at least one piece of first information indicating a failure in establishing the radio resource control connection, wherein the first threshold is an integer greater than 0, N is an integer greater than 0, and the N pieces of failure information are pieces of failure information obtained from the N continuous failures of the mobility management procedure; and when the device determines that the N pieces of failure information comprise said at least one piece of first information, setting, based at least on said determination, a duration of a timer to a first duration shorter than a preset duration, wherein the timer is started when the quantity N of failures of the initiated mobility management procedure is greater than or equal to the first threshold, wherein the preset duration is the duration of the timer when the device determines that the N pieces of failure information do not comprise said at least one piece of first information and initiating, the mobility management procedure again when the timer exceeds the first duration. initiating a mobility management procedure with a core network entity via a base station, wherein the mobility management procedure comprises establishing, by the device, a radio resource control, RRC, connection with said base station, and after the RRC connection is established, sending by the device a mobility management request to the core network entity over said RRC connection and receiving a response thereto from the core network entity over said RRC connection; and determining that the initiated mobility management procedure has failed; said method being characterized in that: when a quantity N of continuous failures of the mobility management procedure is greater than or equal to a first threshold, determining, whether N pieces of failure information comprise at least one piece of first information indicating a failure in establishing the radio resource control connection, wherein the first threshold is an integer greater than 0, N is an integer greater than 0, and the N pieces of failure information are pieces of failure information obtained from the N continuous failures of the mobility management procedure; and when the device determines that the N pieces of failure information comprise said at least one piece of first information, setting, based at least on said determination, a duration of a timer to a first duration shorter than a preset duration, wherein the timer is started when the quantity N of failures of the initiated mobility management procedure is greater than or equal to the first threshold, wherein the preset duration is the duration of the timer when the device determines that the N pieces of failure information do not comprise said at least one piece of first information and initiating, the mobility management procedure again when the timer exceeds the first duration. when a quantity N of continuous failures of the mobility management procedure is greater than or equal to a first threshold, determining, whether N pieces of failure information comprise at least one piece of first information indicating a failure in establishing the radio resource control connection, wherein the first threshold is an integer greater than 0, N is an integer greater than 0, and the N pieces of failure information are pieces of failure information obtained from the N continuous failures of the mobility management procedure; and when the device determines that the N pieces of failure information comprise said at least one piece of first information, setting, based at least on said determination, a duration of a timer to a first duration shorter than a preset duration, wherein the timer is started when the quantity N of failures of the initiated mobility management procedure is greater than or equal to the first threshold, wherein the preset duration is the duration of the timer when the device determines that the N pieces of failure information do not comprise said at least one piece of first information and initiating, the mobility management procedure again when the timer exceeds the first duration.