A mobile network optimization processing method, comprising: obtaining, by a network data analytics, NWDA, function entity, first information, wherein the first information comprises at least one of the following: location information of UE, moving track information of the UE, historical location statistics of the UE, and service information of the UE, wherein the UE operates according to one of a connected mode or an idle mode; determining, by the NWDA function entity based on the first information, second information for performing optimization processing on the UE, wherein the second information comprises at least one of the following: location information of the UE at a preset time point or in a preset time period, time information for performing optimization processing on the UE, and indication information for performing optimization processing on the UE, and wherein the second information comprises a prediction result including a time in the future at which the UE will be transitioned to the idle mode and/or information about a geographical location at which the UE will change in the future to the idle mode; and sending, by the NWDA function entity, a first message to a control plane function entity, wherein the first message carries the second information, so that the control plane function entity performs optimization processing on the UE to instruct the UE to perform state transition between the idle mode and the connected mode based on the second information, wherein the first information comprises the location information and the moving track information that are of the UE, and the determining, by the NWDA function entity, second information based on the first information comprises: determining, by the NWDA function entity, the location information of the UE at the preset time point or in the preset time period based on the location information and the moving track information that are of the UE. obtaining, by a network data analytics, NWDA, function entity, first information, wherein the first information comprises at least one of the following: location information of UE, moving track information of the UE, historical location statistics of the UE, and service information of the UE, wherein the UE operates according to one of a connected mode or an idle mode; determining, by the NWDA function entity based on the first information, second information for performing optimization processing on the UE, wherein the second information comprises at least one of the following: location information of the UE at a preset time point or in a preset time period, time information for performing optimization processing on the UE, and indication information for performing optimization processing on the UE, and wherein the second information comprises a prediction result including a time in the future at which the UE will be transitioned to the idle mode and/or information about a geographical location at which the UE will change in the future to the idle mode; and sending, by the NWDA function entity, a first message to a control plane function entity, wherein the first message carries the second information, so that the control plane function entity performs optimization processing on the UE to instruct the UE to perform state transition between the idle mode and the connected mode based on the second information, wherein the first information comprises the location information and the moving track information that are of the UE, and the determining, by the NWDA function entity, second information based on the first information comprises: determining, by the NWDA function entity, the location information of the UE at the preset time point or in the preset time period based on the location information and the moving track information that are of the UE.