The present specification proposes a method and device for transmitting or receiving a paging message in a wireless communication system. Specifically, a method performed by a terminal may comprise the steps of: receiving configuration information related to a paging occasion from a base station; receiving a synchronization signal (SS) and physical broadcasting channel (PBCH) block from the base station; receiving control information related to paging from the base station on the basis of the configuration information; and receiving the paging message from the base station on the basis of the control information, wherein paging occasions are continuously configured within a transmission period of the SS and PBCH block.