Method for reporting channel state information on unlicensed band in wireless communication system and apparatus for same

The present application discloses a method for reporting channel state information on an unlicensed band to a base station by a terminal. Specifically, the method comprises: a step for receiving, from the base station, a triggering message of a sounding reference signal for reporting the channel state information of the unlicensed band; a step for measuring an interference in the unlicensed band; and if the interference measured in the unlicensed band is below a threshold, a step for transmitting the sounding reference signal for reporting the channel state information of the unlicensed band to the base station, according to the triggering message.