A downlink signal transmission method, comprising: determining, by a terminal device, that at least two downlink signals are to be received in a first detection window; determining, by the terminal device, a receiving scheme of the at least two downlink signals based on transmission information of the at least two downlink signals, wherein the transmission information comprises at least one of scheduling information of the at least two downlink signals, transmission configurations of the at least two downlink signals, and information carried in the at least two downlink signals; and receiving, by the terminal device, at least one downlink signal of the at least two downlink signals in the first detection window based on the receiving scheme of the at least two downlink signals; wherein the method further comprises that the at least two downlink signals are two physical downlink shared channels, PDSCHs, and determining, by the terminal device, the receiving scheme of the at least two downlink signals based on the transmission information of the at least two downlink signals comprises: determining, by the terminal device based on the transmission information of the at least two downlink signals, whether to receive at least one of the at least two downlink signals; wherein the transmission information comprises the scheduling information of the at least two downlink signals, and determining, by the terminal device, the receiving scheme of the at least two downlink signals based on the transmission information of the at least two downlink signals comprises: determining, by the terminal device, the receiving scheme of the at least two downlink signals based on a control resource set including the DCIs that schedule the at least two downlink signals. determining, by a terminal device, that at least two downlink signals are to be received in a first detection window; determining, by the terminal device, a receiving scheme of the at least two downlink signals based on transmission information of the at least two downlink signals, wherein the transmission information comprises at least one of scheduling information of the at least two downlink signals, transmission configurations of the at least two downlink signals, and information carried in the at least two downlink signals; and receiving, by the terminal device, at least one downlink signal of the at least two downlink signals in the first detection window based on the receiving scheme of the at least two downlink signals; wherein the method further comprises that the at least two downlink signals are two physical downlink shared channels, PDSCHs, and determining, by the terminal device, the receiving scheme of the at least two downlink signals based on the transmission information of the at least two downlink signals comprises: determining, by the terminal device based on the transmission information of the at least two downlink signals, whether to receive at least one of the at least two downlink signals; wherein the transmission information comprises the scheduling information of the at least two downlink signals, and determining, by the terminal device, the receiving scheme of the at least two downlink signals based on the transmission information of the at least two downlink signals comprises: determining, by the terminal device, the receiving scheme of the at least two downlink signals based on a control resource set including the DCIs that schedule the at least two downlink signals.