The present disclosure discloses a method for transmitting, by means of a user equipment, uplink feedback information related to at least one cell among a plurality of cells configured to the user equipment in a wireless communication system comprising the user equipment and a base station comprising a plurality of cells, and a user equipment and a base station for supporting same. According to an embodiment applicable to the present disclosure, a user equipment may report, to a base station, only uplink feedback information related to some of a plurality of cells in which BF has occurred, and correspondingly, the base station may recognize that uplink feedback information related to a beam which is received from the user equipment includes only uplink feedback information related to some of the plurality of cells in which the BF has occurred.