The present specification provides a method for transmitting a PUCCH in a wireless communication system. The method for a terminal transmitting a PUCCH, according to the present specification, comprises a step for transmitting a PUCCH to a base station by using a plurality of uplink beams, wherein the PUCCH is transmitted via uplink beams that are different per specific resource unit, wherein the specific resource unit may represent a resource unit for transmitting the PUCCH by the same beams.