Abstract: A method, a device, and a system for processing policy information are provided. A method includes: obtaining applicability information and policy information according to information reported by a User Equipment (UE), where the applicability information indicates an applicability scope of the policy information and includes at least one of subscriber granularity, subscriber information, UE type, network granularity, and network identification information; and delivering the policy information and the applicability information to the UE. In the technical solution which enables the UE to obtain the applicability information herein, the UE can determine the applicability scope of the policy information according to the applicability information, and select and utilize the policy information flexibly, thereby optimizing utilization of network resources.