Embodiments of the present disclosure provide a method and apparatus for the transmission of uplink control information, wherein this method comprises: receiving downlink information and using a predefined physical uplink shared channel (PUSCH) format to transmit a hybrid automatic repeat request-acknowledgment (HARQ-ACK) corresponding to the downlink information. The implementation of the present invention solves the problem in prior art of not being able to transmit HARQ-ACK on the PUSCH through its ability to transmit HARQ-ACK on the PUSCH.