A method for controlling a first unmanned vehicle system (110, 120, 1N0) including an unmanned vehicle (111, 121, 410, 1N1) and a control terminal (113, 123, 133, 1N3), the method comprising: determining, by the unmanned vehicle (111, 121, 410, 1N1) whether each of a plurality of working channels (1, 2, N) is occupied by one of one or more second unmanned vehicle systems (110, 120, 1N0) to obtain states of the plurality of working channels (1, 2, N) and transmitting the states of the plurality of working channels (1, 2, N) to the control terminal via a wireless communication link, wherein each of the states including an occupied state or an idle state or determining, by the control terminal (113, 123, 133, 1N3), whether each of the plurality of working channels (1, 2, N) is occupied by one of the one or more second unmanned vehicle systems (110, 120, 1N0) to obtain the states of the plurality of working channels (1, 2, N); and outputting, via the control terminal (113, 123, 133, 1N3), the states of the plurality of working channels (1, 2, N) to a user of the first unmanned vehicle system (110, 120, 1N0), wherein the method is characterized by determining, by the control terminal (113, 123, 133, 1N3), in response to a selection input, an idle one of the plurality of working channels (1, 2, N) indicated by the selection input as a target channel (1, 2, N), and transmitting, by the control terminal (113, 123, 133, 1N3), indication information corresponding to the target channel to the unmanned vehicle (111, 121, 410, 1N1) via the wireless transmission link; switching, by the control terminal (113, 123, 133, 1N3) and the unmanned vehicle (111, 121, 410, 1N1), the wireless communication link between the unmanned vehicle (111, 121, 410, 1N1) and the control terminal (113, 123, 133, 1N3) of the first unmanned vehicle system (110, 120, 1N0) to the target channel (1, 2, N). determining, by the unmanned vehicle (111, 121, 410, 1N1) whether each of a plurality of working channels (1, 2, N) is occupied by one of one or more second unmanned vehicle systems (110, 120, 1N0) to obtain states of the plurality of working channels (1, 2, N) and transmitting the states of the plurality of working channels (1, 2, N) to the control terminal via a wireless communication link, wherein each of the states including an occupied state or an idle state or determining, by the control terminal (113, 123, 133, 1N3), whether each of the plurality of working channels (1, 2, N) is occupied by one of the one or more second unmanned vehicle systems (110, 120, 1N0) to obtain the states of the plurality of working channels (1, 2, N); and outputting, via the control terminal (113, 123, 133, 1N3), the states of the plurality of working channels (1, 2, N) to a user of the first unmanned vehicle system (110, 120, 1N0), wherein the method is characterized by determining, by the control terminal (113, 123, 133, 1N3), in response to a selection input, an idle one of the plurality of working channels (1, 2, N) indicated by the selection input as a target channel (1, 2, N), and transmitting, by the control terminal (113, 123, 133, 1N3), indication information corresponding to the target channel to the unmanned vehicle (111, 121, 410, 1N1) via the wireless transmission link; switching, by the control terminal (113, 123, 133, 1N3) and the unmanned vehicle (111, 121, 410, 1N1), the wireless communication link between the unmanned vehicle (111, 121, 410, 1N1) and the control terminal (113, 123, 133, 1N3) of the first unmanned vehicle system (110, 120, 1N0) to the target channel (1, 2, N). <EOS>