Method for realizing channel transmission and base station

A method and device for realizing channel transmission. The method comprises: a base station determining a subframe set used by a downlink control channel and/or a subframe set used by a downlink service channel; and the base station scheduling the downlink service channel through the downlink control channel cross subframes. According to the technical solution, a subframe set used by a downlink control channel and/or a subframe set used by a downlink service channel are determined by a base station, and the downlink service channel is scheduled through the downlink control channel cross subframes, thereby preventing, in a narrowband system and a coverage enhancement system, a timing relationship of channel transmission from being affected due to the fact that a multicast broadcast single frequency network (MBSFN) subframe transmitting a multicast /broadcast service will occupy the bandwidth of the overall system, and guaranteeing a timing relationship between a base station and a terminal, so that the communication of an MTC terminal is normal, and the working quality of the system is improved.