A method and an apparatus for transmitting data in a wireless communication system are provided. A base station transmits to a terminal a physical downlink control channel (PDCCH) through a macro node, and transmits a physical downlink shared channel (PDSCH) through at least one radio remote head (RRH) having a cell identity (ID) that is identical to the macro node, so as not to overlap in with the PDCCH in a time domain. A time gap can be set between a last orthogonal frequency division multiplexing (OFDM) symbol to which the PDCCH is allocated and a first OFDM symbol to which the PDSCH is allocated.