This disclosure provides an uplink channel configuration method, an uplink channel transmission method, a network-side device, and a terminal. The uplink channel configuration method is applied to a network-side device and includes: sending indication information to a terminal, where the indication information is used to indicate an uplink channel related transmission parameter, the transmission parameter corresponds to N uplink channels and/or at least two target transmissions of a target uplink channel, and N is an integer greater than 1.