A method, an apparatus, and a system for enhancing a concurrent processing capability of a wireless local area network (WLAN) are disclosed. The method includes receiving a first association request including an identifier of a first station (STA) that is from the first STA; performing association with the first STA; sending a first association query request including the identifier of the first STA to a WLAN controller; after the first STA is associated, receiving an association query response from the WLAN controller; and performing disassociation from the first STA when the association query response is used to instruct an access point (AP) not to associate with the first STA. When a large quantity of association events need to be concurrently processed, a STA is associated with at first, improving user experience.