A method for indicating transmission resources, comprising: determining first transmission resources related to a transmission channel with respect to a large-scale channel parameter or a group of large-scale channel parameters, and transmitting configuration information about the first transmission resources to a terminal device via first signaling, the first transmission resources being transmission resources for K downlink reference signals, K being a positive integer, wherein the first transmission resources related to the transmission channel with respect to the large-scale channel parameter or the group of large-scale channel parameters refers to that the first transmission resources are related to a same large-scale channel parameter or a same group of large-scale channel parameters of the transmission channel; and selecting second transmission resources from the first transmission resources in accordance with a transmission parameter of the transmission channel, and transmitting indication information about the second transmission resources to the terminal device via second signaling, the second transmission resources being transmission resources for L downlink reference signals, L being a positive integer, and K being greater than or equal to L, wherein prior to determining the first transmission resources related to the transmission channel with respect to the large-scale channel parameter or the group of large-scale channel parameters, the method further comprises: configuring (201, 301) third transmission resources for the terminal device, and transmitting (201, 301) configuration information about the third transmission resources to the terminal device via third signaling, wherein the third transmission resources are transmission resources for N downlink reference signals, where N is greater than or equal to K, wherein the determining the first transmission resources related to the transmission channel with respect to the large-scale channel parameter or the group of large-scale channel parameters comprises: determining the first transmission resources from the third transmission resources, wherein the one or more large-scale channel parameters include space parameter, delay spread, average delay, Doppler frequency offset, Doppler spread or average gain; and wherein the space parameter includes space arrival angle average, space arrival angle spread, space departure angle average, or space departure angle spread. determining first transmission resources related to a transmission channel with respect to a large-scale channel parameter or a group of large-scale channel parameters, and transmitting configuration information about the first transmission resources to a terminal device via first signaling, the first transmission resources being transmission resources for K downlink reference signals, K being a positive integer, wherein the first transmission resources related to the transmission channel with respect to the large-scale channel parameter or the group of large-scale channel parameters refers to that the first transmission resources are related to a same large-scale channel parameter or a same group of large-scale channel parameters of the transmission channel; and selecting second transmission resources from the first transmission resources in accordance with a transmission parameter of the transmission channel, and transmitting indication information about the second transmission resources to the terminal device via second signaling, the second transmission resources being transmission resources for L downlink reference signals, L being a positive integer, and K being greater than or equal to L, wherein prior to determining the first transmission resources related to the transmission channel with respect to the large-scale channel parameter or the group of large-scale channel parameters, the method further comprises: configuring (201, 301) third transmission resources for the terminal device, and transmitting (201, 301) configuration information about the third transmission resources to the terminal device via third signaling, wherein the third transmission resources are transmission resources for N downlink reference signals, where N is greater than or equal to K, wherein the determining the first transmission resources related to the transmission channel with respect to the large-scale channel parameter or the group of large-scale channel parameters comprises: determining the first transmission resources from the third transmission resources, wherein the one or more large-scale channel parameters include space parameter, delay spread, average delay, Doppler frequency offset, Doppler spread or average gain; and wherein the space parameter includes space arrival angle average, space arrival angle spread, space departure angle average, or space departure angle spread.