the present invention relates to a method for sending and receiving a reference signal for a backhaul subframe in a wireless communication system in which a relay is present and also to a device therefor , constituted in such a way that common reference signals for a plurality of receiving devices and reference signals dedicated to separate receiving devices are allocated dispersed in a subframe , and the common reference signals and the dedicated reference signals are generated and are sent and received via the subframe . the present invention can improve the channel estimation performance for subframes in a wireless communication system . in this way , communications efficiency in wireless communication systems can be improved .