User equipment, comprising: a receiving module, configured to receive first indication information sent by a base station; a saving module, configured to save context information of the user equipment according to the first indication information, wherein the context information comprises identification information of the user equipment; an obtaining module, configured to decode a physical downlink control channel, PDCCH, based on the identification information of the user equipment, to obtain second indication information; and a determining module, configured to: when the obtaining module obtains the second indication information, determine that the user equipment is a paged object or that there is a service of the user equipment, wherein the receiving module is further configured to: receive obtaining manner indication information sent by the base station, wherein the obtaining manner indication information is used to indicate an obtaining manner in which the user equipment obtains the second indication information; and the obtaining manner comprises at least two of the following manners: a first obtaining manner: correctly decoding the downlink control information DCI format in the PDCCH based on the identification information that identifies the user equipment within the range of the base station or within the range of the one or more cells of the base station, to obtain the second indication information; a second obtaining manner: decoding the PDCCH based on the identification information that identifies the user equipment within the range of the base station or within the range of the one or more cells of the base station, to obtain the second indication information comprised in the DCI format in the PDCCH; and a third obtaining manner: detecting the PDCCH based on a P-RNTI, to obtain the second indication information. a receiving module, configured to receive first indication information sent by a base station; a saving module, configured to save context information of the user equipment according to the first indication information, wherein the context information comprises identification information of the user equipment; an obtaining module, configured to decode a physical downlink control channel, PDCCH, based on the identification information of the user equipment, to obtain second indication information; and a determining module, configured to: when the obtaining module obtains the second indication information, determine that the user equipment is a paged object or that there is a service of the user equipment, wherein the receiving module is further configured to: receive obtaining manner indication information sent by the base station, wherein the obtaining manner indication information is used to indicate an obtaining manner in which the user equipment obtains the second indication information; and the obtaining manner comprises at least two of the following manners: a first obtaining manner: correctly decoding the downlink control information DCI format in the PDCCH based on the identification information that identifies the user equipment within the range of the base station or within the range of the one or more cells of the base station, to obtain the second indication information; a second obtaining manner: decoding the PDCCH based on the identification information that identifies the user equipment within the range of the base station or within the range of the one or more cells of the base station, to obtain the second indication information comprised in the DCI format in the PDCCH; and a third obtaining manner: detecting the PDCCH based on a P-RNTI, to obtain the second indication information. a first obtaining manner: correctly decoding the downlink control information DCI format in the PDCCH based on the identification information that identifies the user equipment within the range of the base station or within the range of the one or more cells of the base station, to obtain the second indication information; a second obtaining manner: decoding the PDCCH based on the identification information that identifies the user equipment within the range of the base station or within the range of the one or more cells of the base station, to obtain the second indication information comprised in the DCI format in the PDCCH; and a third obtaining manner: detecting the PDCCH based on a P-RNTI, to obtain the second indication information.