Disclosed are a method and a device for transmitting an uplink in a wireless communication system. An uplink transmission method according to an embodiment of the present disclosure may comprise the steps of: receiving, from a base station, downlink control information (DCI) for scheduling a physical uplink shared channel (PUSCH) and triggering the transmission of a sounding reference signal (SRS); and transmitting the PUSCH and/or the SRS to the base station on the basis of the DCI. The PUSCH may be transmitted in a first slot if i) the transmission slot of the SRS, as determined by a slot offset related to the SRS, is the same first slot as the transmission slot of the PUSCH, and ii) the PUSCH and the SRS collide at one or more symbols within the first slot.