A communication method , comprising: determining (S210), by a terminal device, beam correspondence information, wherein the beam correspondence information indicates a beam correspondence between an uplink transmitting beam and a downlink receiving beam of the terminal device; and transmitting, by the terminal device, a radio resource control, RRC, signaling to a network device, wherein the RRC signaling comprises the beam correspondence information and capability information of the terminal device; wherein the capability information of the terminal device and the beam correspondence information are carried in different indication domains of the RRC signaling; the RRC signaling further comprises information of uplink transmitting beam groups of the terminal device, and the information of the uplink transmitting beam groups comprises a number of the uplink transmitting beam groups and a number of uplink transmitting beams comprised in each of the uplink transmitting beam groups; wherein the method further comprises: transmitting, by the terminal device, a first message to the network device, wherein the first message comprises the beam correspondence information, and the first message is a message in which the terminal device transmits a random access preamble signal to the network device in a random access procedure; wherein the method further comprises: transmitting, by the terminal device, a second message to the network device, wherein the second message comprises the beam correspondence information, and the second message is a message in which the terminal device transmits a terminal device identifier to the network device in a random access procedure. determining (S210), by a terminal device, beam correspondence information, wherein the beam correspondence information indicates a beam correspondence between an uplink transmitting beam and a downlink receiving beam of the terminal device; and transmitting, by the terminal device, a radio resource control, RRC, signaling to a network device, wherein the RRC signaling comprises the beam correspondence information and capability information of the terminal device; wherein the capability information of the terminal device and the beam correspondence information are carried in different indication domains of the RRC signaling; the RRC signaling further comprises information of uplink transmitting beam groups of the terminal device, and the information of the uplink transmitting beam groups comprises a number of the uplink transmitting beam groups and a number of uplink transmitting beams comprised in each of the uplink transmitting beam groups; wherein the method further comprises: transmitting, by the terminal device, a first message to the network device, wherein the first message comprises the beam correspondence information, and the first message is a message in which the terminal device transmits a random access preamble signal to the network device in a random access procedure; wherein the method further comprises: transmitting, by the terminal device, a second message to the network device, wherein the second message comprises the beam correspondence information, and the second message is a message in which the terminal device transmits a terminal device identifier to the network device in a random access procedure. transmitting, by the terminal device, a first message to the network device, wherein the first message comprises the beam correspondence information, and the first message is a message in which the terminal device transmits a random access preamble signal to the network device in a random access procedure; wherein the method further comprises: transmitting, by the terminal device, a second message to the network device, wherein the second message comprises the beam correspondence information, and the second message is a message in which the terminal device transmits a terminal device identifier to the network device in a random access procedure. <EOS>