According to one embodiment of the present invention, a method for reporting the channel state of an enhanced physical downlink control channel (EPDCCH) in a wireless communication system is disclosed, comprising the steps of: selecting N sub-bands from a set of sub-bands; and reporting a channel quality indicator (CQI) for the N sub-bands. At least one sub-band from among the N sub-bands (hereinafter, referred to as an EPDCCH SB) may be a sub-band including a pair of physical resource blocks (PRB) set as the EPDCCH.