A method for information indication, comprising: receiving, by a terminal device, a synchronization signal block, SSB, transmitted by a network device; characterized by acquiring, by the terminal device, indication information according to frequency domain position information of the SSB, and acquiring an attribute of a carrier associated with the SSB indicated by the indication information, wherein the attribute of the carrier comprises whether the carrier is used by a licensed carrier system or an unlicensed carrier system; wherein: the acquiring, by the terminal device, indication information according to frequency domain position information of the SSB comprises: acquiring, by the terminal device, the indication information according to a position of a synchronization raster where the detected SSB is located; wherein, the terminal device determines that the carrier associated with the SSB is used by the licensed carrier system in response to detecting that the SSB is located at a position of a first synchronization raster; and the terminal device determines that the carrier associated with the SSB is used by the unlicensed carrier system in response to detecting that the SSB is located at a position of a second synchronization raster; and wherein the position of the first synchronization raster and the position of the second synchronization raster meet a relationship as follows: the first synchronization raster and the second synchronization raster have synchronization rasters at different positions within an overlapping bandwidth of a first frequency band and a second frequency band, the first frequency band is a licensed spectrum and the second frequency band is an unlicensed spectrum. receiving, by a terminal device, a synchronization signal block, SSB, transmitted by a network device; characterized by acquiring, by the terminal device, indication information according to frequency domain position information of the SSB, and acquiring an attribute of a carrier associated with the SSB indicated by the indication information, wherein the attribute of the carrier comprises whether the carrier is used by a licensed carrier system or an unlicensed carrier system; wherein: the acquiring, by the terminal device, indication information according to frequency domain position information of the SSB comprises: acquiring, by the terminal device, the indication information according to a position of a synchronization raster where the detected SSB is located; wherein, the terminal device determines that the carrier associated with the SSB is used by the licensed carrier system in response to detecting that the SSB is located at a position of a first synchronization raster; and the terminal device determines that the carrier associated with the SSB is used by the unlicensed carrier system in response to detecting that the SSB is located at a position of a second synchronization raster; and wherein the position of the first synchronization raster and the position of the second synchronization raster meet a relationship as follows: the first synchronization raster and the second synchronization raster have synchronization rasters at different positions within an overlapping bandwidth of a first frequency band and a second frequency band, the first frequency band is a licensed spectrum and the second frequency band is an unlicensed spectrum. acquiring, by the terminal device, the indication information according to a position of a synchronization raster where the detected SSB is located; wherein, the terminal device determines that the carrier associated with the SSB is used by the licensed carrier system in response to detecting that the SSB is located at a position of a first synchronization raster; and the terminal device determines that the carrier associated with the SSB is used by the unlicensed carrier system in response to detecting that the SSB is located at a position of a second synchronization raster; and wherein the position of the first synchronization raster and the position of the second synchronization raster meet a relationship as follows: the first synchronization raster and the second synchronization raster have synchronization rasters at different positions within an overlapping bandwidth of a first frequency band and a second frequency band, the first frequency band is a licensed spectrum and the second frequency band is an unlicensed spectrum.