Embodiments of the present invention provide a traffic offload method, a traffic offload function entity, and a traffic offload system. The method includes: receiving, by a first traffic offload function entity, user information of a user equipment sent by a core network device; obtaining, a traffic offload policy and matching the traffic offload policy with the user information; and offloading traffic corresponding to the user equipment according to the user information that successfully matches the traffic offload policy. The traffic offload function entity may obtain the user information and may perform traffic offload according to the user information.