Provided are an information indication method and device. The method comprises operations as follows. A terminal device receives a synchronization signal block (SSB) transmitted by a network device (301). The terminal device acquires indication information according to frequency-domain position information of the SSB. The indication information is used to indicate an attribute of a carrier associated with the SSB, the attribute of the carrier comprises whether the carrier is used in a licensed carrier system or an unlicensed carrier system (302).