A feedback information transmission method, a feedback information transmission device, a UE, a base station and a computer-readable storage medium are provided. The feedback information transmission method includes: receiving configuration information from a base station, and determining the quantity of beam groups based on the configuration information; determining the quantity of bits of an HARQ-ACK based on the quantity of the beam groups; and generating an HARQ-ACK sequence corresponding to the quantity of the bits and transmitting the HARQ-ACK sequence to the base station.