A reference signal receiving method performed by a terminal, the method comprising: • receiving, on a first subband, a first reference signal meeting a first configuration from a network device, and receiving, on a second subband, a second reference signal meeting a second configuration from the network device (step 203), wherein the first configuration comprises: ∘ a first subcarrier spacing and a first pattern, wherein the first subcarrier spacing is, as pre-agreed with the network device, a subcarrier spacing of the Physical Downlink Shared Channel, PDSCH, in the first subband, wherein the first pattern refers to a time domain location and a frequency domain location of the first reference signal on a fixed time-frequency resource and the first pattern comprises one or more of a zero power resource element, RE, and a non-zero power RE, wherein the second configuration comprises: ∘ a second subcarrier spacing being, as pre-agreed with the network device, the same as the first subcarrier spacing, and a parameter configuration of the first subband is different from a parameter configuration of the second subband, wherein the parameter configuration of the first subband and the parameter configuration of the second subband comprise one or more of the following items: ▪ a subcarrier spacing; ▪ a carrier frequency; ▪ a subband bandwidth; ▪ a location of a subband in a system bandwidth; and ▪ a cyclic prefix, CP, type; • determining a first channel quality based on the first reference signal and determining a second channel quality based on the second reference signal; • feeding back the first channel quality to the network device, and feeding back the second channel quality to the network device (step 204). • receiving, on a first subband, a first reference signal meeting a first configuration from a network device, and receiving, on a second subband, a second reference signal meeting a second configuration from the network device (step 203), wherein the first configuration comprises: ∘ a first subcarrier spacing and a first pattern, wherein the first subcarrier spacing is, as pre-agreed with the network device, a subcarrier spacing of the Physical Downlink Shared Channel, PDSCH, in the first subband, wherein the first pattern refers to a time domain location and a frequency domain location of the first reference signal on a fixed time-frequency resource and the first pattern comprises one or more of a zero power resource element, RE, and a non-zero power RE, wherein the second configuration comprises: ∘ a second subcarrier spacing being, as pre-agreed with the network device, the same as the first subcarrier spacing, and a parameter configuration of the first subband is different from a parameter configuration of the second subband, wherein the parameter configuration of the first subband and the parameter configuration of the second subband comprise one or more of the following items: ▪ a subcarrier spacing; ▪ a carrier frequency; ▪ a subband bandwidth; ▪ a location of a subband in a system bandwidth; and ▪ a cyclic prefix, CP, type; wherein the first configuration comprises: ∘ a first subcarrier spacing and a first pattern, wherein the first subcarrier spacing is, as pre-agreed with the network device, a subcarrier spacing of the Physical Downlink Shared Channel, PDSCH, in the first subband, wherein the first pattern refers to a time domain location and a frequency domain location of the first reference signal on a fixed time-frequency resource and the first pattern comprises one or more of a zero power resource element, RE, and a non-zero power RE, ∘ a first subcarrier spacing and a first pattern, wherein the first subcarrier spacing is, as pre-agreed with the network device, a subcarrier spacing of the Physical Downlink Shared Channel, PDSCH, in the first subband, wherein the first pattern refers to a time domain location and a frequency domain location of the first reference signal on a fixed time-frequency resource and the first pattern comprises one or more of a zero power resource element, RE, and a non-zero power RE, wherein the first subcarrier spacing is, as pre-agreed with the network device, a subcarrier spacing of the Physical Downlink Shared Channel, PDSCH, in the first subband, wherein the first pattern refers to a time domain location and a frequency domain location of the first reference signal on a fixed time-frequency resource and the first pattern comprises one or more of a zero power resource element, RE, and a non-zero power RE, wherein the second configuration comprises: ∘ a second subcarrier spacing being, as pre-agreed with the network device, the same as the first subcarrier spacing, and a parameter configuration of the first subband is different from a parameter configuration of the second subband, wherein the parameter configuration of the first subband and the parameter configuration of the second subband comprise one or more of the following items: ▪ a subcarrier spacing; ▪ a carrier frequency; ▪ a subband bandwidth; ▪ a location of a subband in a system bandwidth; and ▪ a cyclic prefix, CP, type; ∘ a second subcarrier spacing being, as pre-agreed with the network device, the same as the first subcarrier spacing, ▪ a subcarrier spacing; ▪ a carrier frequency; ▪ a subband bandwidth; ▪ a location of a subband in a system bandwidth; and ▪ a cyclic prefix, CP, type; • determining a first channel quality based on the first reference signal and determining a second channel quality based on the second reference signal; • feeding back the first channel quality to the network device, and feeding back the second channel quality to the network device (step 204).