The present invention discloses an offloading method, which includes: receiving, by user equipment, an offloading indication sent by a base station, where the offloading indication is used to indicate an access method for the user equipment to access an access point, the offloading indication includes a security parameter used by the user equipment and the access point to perform bidirectional authentication, the access point belongs to a wireless local area network, the base station belongs to a wireless cellular network, and the security parameter is further sent by the base station to the access point; and performing, by the user equipment, the bidirectional authentication with the access point according to the security parameter sent by the base station to the user equipment, so that the user equipment accesses the access point according to the access method and performs offloading to the wireless local area network.