An uplink transmission method and a terminal applied to the field of communications technologies to resolve a signal transmission problem that arises when a short-duration physical uplink control channel carrying only a scheduling request (SR) collides with another uplink channel on a same time domain resource. The method includes transmitting a scheduling request on a first uplink channel using a first time domain resource a first transmit power, where the first uplink channel comprises a first time domain resource and transmitting information on a second uplink channel using a second transmit power, where the second uplink channel comprises the first time domain resource, and where the first time domain resource represents some or all time domain resources in the second uplink channel.