A method performed by a terminal for indicating capability of a terminal, the method comprising: sending, to a network side, capability indication information indicating whether or not a terminal supports uplink dual-transmission per each band combination in a plurality of band combinations; wherein the capability indication information comprises at least one of following: first indication information of a band combination supported by the terminal; second indication information of a channel combination in the band combination in a case that the channel combination exists in the band combination; and third indication information indicating radio frequency characteristic of the terminal, the first indication information comprises type information of the band combination or information about whether or not the band combination must support uplink dual-transmission, the second indication information comprises type information of the channel combination or information about whether or not the channel combination must support uplink dual-transmission, and the third indication information comprises indication about whether or not the radio frequency characteristic of the terminal supports uplink dual-transmission; wherein sending, to the network side, the capability indication information indicating whether or not the terminal supports uplink dual-transmission per each band combination, comprises: determining, based on a frequency band dynamically configured by the network side for transmission, the capability indication information indicating whether or not the terminal supports uplink dual-transmission; sending the capability indication information to the network side; wherein sending the capability indication information to the network side, comprises sending the capability indication information to the network side using a second preset bit combination; characterized in that different pieces of indication information in the capability indication information are indicated by different bits in the second preset bit combination, respectively, or different pieces of indication information in the capability indication information are indicated by joint encoding of bits in the second preset bit combination. sending, to a network side, capability indication information indicating whether or not a terminal supports uplink dual-transmission per each band combination in a plurality of band combinations; wherein the capability indication information comprises at least one of following: first indication information of a band combination supported by the terminal; second indication information of a channel combination in the band combination in a case that the channel combination exists in the band combination; and third indication information indicating radio frequency characteristic of the terminal, the first indication information comprises type information of the band combination or information about whether or not the band combination must support uplink dual-transmission, the second indication information comprises type information of the channel combination or information about whether or not the channel combination must support uplink dual-transmission, and the third indication information comprises indication about whether or not the radio frequency characteristic of the terminal supports uplink dual-transmission; wherein sending, to the network side, the capability indication information indicating whether or not the terminal supports uplink dual-transmission per each band combination, comprises: determining, based on a frequency band dynamically configured by the network side for transmission, the capability indication information indicating whether or not the terminal supports uplink dual-transmission; sending the capability indication information to the network side; wherein sending the capability indication information to the network side, comprises sending the capability indication information to the network side using a second preset bit combination; determining, based on a frequency band dynamically configured by the network side for transmission, the capability indication information indicating whether or not the terminal supports uplink dual-transmission; sending the capability indication information to the network side; wherein sending the capability indication information to the network side, comprises sending the capability indication information to the network side using a second preset bit combination; characterized in that different pieces of indication information in the capability indication information are indicated by different bits in the second preset bit combination, respectively, or different pieces of indication information in the capability indication information are indicated by joint encoding of bits in the second preset bit combination.