A method and apparatus for sending information are provided, herein the method for sending information includes: the sending end using a physical control channel (PDCCH) or an enhanced physical control channel (ePDCCH) or downlink control information (DCI) transmitted in the agreed resources to describe the information about time that the unlicensed carriers are occupied; the sending end sending the DCI information through licensed carriers or the unlicensed carriers; herein, the information about time includes: a starting subframe occupying an unlicensed carrier and the number of subframes that are continuously occupied starting from the starting subframe. Through the present disclosure, how to enable base stations to mutually inform about an occupation situation of the unlicensed carrier in the related art is achieved, the coordination and utilization of the unlicensed carriers in a wireless communication system are simplified the utilization rate of the unlicensed carriers is improved.