A method and an apparatus for processing a paging message can be applied to a terminal device supporting a plurality of Subscriber Identification Module (SIM) cards. The method includes: a target paging message corresponding to a SIM card of a current paging cycle from a network side is received; it is determined whether the target paging message belongs to a spam message paging a slave SIM card, wherein the slave SIM card is any one of the plurality of SIM cards that does not provide a data service; and the target paging message is discarded when the target paging message belongs to the spam message paging the slave SIM card.