A method of information transmission in an unlicensed band, wherein the method of information transmission is applied to a network device comprising at least two nodes, each of the nodes is a Transmission and Reception Point, TRP, and the method of information transmission comprises: listening to a channel in the unlicensed band by the nodes of the network device, to obtain a channel listening result; transmitting information on the channel by the nodes in case that the channel listening result indicates that the channel is idle, characterized in that listening to the channel in the unlicensed band by the nodes of the network device to obtain the channel listening result comprises: listening to the channel in the unlicensed band by the at least two nodes of the network device respectively, to obtain the channel listening result, wherein listening to the channel in the unlicensed band by the at least two nodes of the network device respectively to obtain the channel listening result comprises: listening to the channel in the unlicensed band according to respective listening parameter sets of the at least two nodes of the network device respectively, to obtain the channel listening result, wherein the listening parameter set comprises at least one of: information of a listening start time, information of a listening slot duration for Clear Channel Assessment/enhance Clear Channel Assessment, CCA/eCCA, information of a defer duration, information of a transmission start time, information of a contention window, and information of a backoff counter; or listening to the channel in the unlicensed band by the at least two nodes of the network device jointly at same time, to obtain the channel listening result. listening to a channel in the unlicensed band by the nodes of the network device, to obtain a channel listening result; transmitting information on the channel by the nodes in case that the channel listening result indicates that the channel is idle, characterized in that listening to the channel in the unlicensed band by the nodes of the network device to obtain the channel listening result comprises: listening to the channel in the unlicensed band by the at least two nodes of the network device respectively, to obtain the channel listening result, wherein listening to the channel in the unlicensed band by the at least two nodes of the network device respectively to obtain the channel listening result comprises: listening to the channel in the unlicensed band according to respective listening parameter sets of the at least two nodes of the network device respectively, to obtain the channel listening result, wherein the listening parameter set comprises at least one of: information of a listening start time, information of a listening slot duration for Clear Channel Assessment/enhance Clear Channel Assessment, CCA/eCCA, information of a defer duration, information of a transmission start time, information of a contention window, and information of a backoff counter; or listening to the channel in the unlicensed band by the at least two nodes of the network device jointly at same time, to obtain the channel listening result. listening to the channel in the unlicensed band by the at least two nodes of the network device respectively, to obtain the channel listening result, wherein listening to the channel in the unlicensed band by the at least two nodes of the network device respectively to obtain the channel listening result comprises: listening to the channel in the unlicensed band according to respective listening parameter sets of the at least two nodes of the network device respectively, to obtain the channel listening result, wherein the listening parameter set comprises at least one of: information of a listening start time, information of a listening slot duration for Clear Channel Assessment/enhance Clear Channel Assessment, CCA/eCCA, information of a defer duration, information of a transmission start time, information of a contention window, and information of a backoff counter; or listening to the channel in the unlicensed band by the at least two nodes of the network device jointly at same time, to obtain the channel listening result.