A method for monitoring a power-saving signal, performed by a base station which is able to configure at least one Bandwidth Portion, BWP, for a terminal, characterized by the method comprising: for a first BWP, configuring a first power-saving signal parameter for monitoring the power-saving signal; generating power-saving signal configuration information, wherein the power-saving signal configuration information is configured for indicating to perform a power-saving signal monitoring over the first BWP using the first power-saving signal parameter; and transmitting the power-saving signal configuration information to the terminal, wherein transmitting the power-saving signal configuration information to the terminal comprises: establishing a binding relationship between part of the BWPs which are configured for the terminal by the base station and power-saving signal parameters, wherein the binding relationship comprises correspondences between the part of the BWPs and the power-saving signal parameters; and adding the binding relationship to the power-saving signal configuration information; and transmitting the power-saving signal configuration information carrying the binding relationship to the terminal, wherein when a switching is performed from a currently activated BWP to a target BWP, when the binding relationship comprises a target power-saving signal parameter bound to the target BWP, the terminal is configured to perform the power-saving signal monitoring over the target BWP according to the target power-saving signal parameter; or when the binding relationship does not comprise the target power-saving signal parameter bound to the target BWP, the terminal is configured to not perform an operation of monitoring the power-saving signal over the target BWP, and to fall back to a physical downlink control channel, PDCCH, monitoring mechanism and/or a physical downlink shared channel, PDSCH, monitoring mechanism. for a first BWP, configuring a first power-saving signal parameter for monitoring the power-saving signal; generating power-saving signal configuration information, wherein the power-saving signal configuration information is configured for indicating to perform a power-saving signal monitoring over the first BWP using the first power-saving signal parameter; and transmitting the power-saving signal configuration information to the terminal, wherein transmitting the power-saving signal configuration information to the terminal comprises: establishing a binding relationship between part of the BWPs which are configured for the terminal by the base station and power-saving signal parameters, wherein the binding relationship comprises correspondences between the part of the BWPs and the power-saving signal parameters; and adding the binding relationship to the power-saving signal configuration information; and transmitting the power-saving signal configuration information carrying the binding relationship to the terminal, wherein when a switching is performed from a currently activated BWP to a target BWP, when the binding relationship comprises a target power-saving signal parameter bound to the target BWP, the terminal is configured to perform the power-saving signal monitoring over the target BWP according to the target power-saving signal parameter; or when the binding relationship does not comprise the target power-saving signal parameter bound to the target BWP, the terminal is configured to not perform an operation of monitoring the power-saving signal over the target BWP, and to fall back to a physical downlink control channel, PDCCH, monitoring mechanism and/or a physical downlink shared channel, PDSCH, monitoring mechanism. establishing a binding relationship between part of the BWPs which are configured for the terminal by the base station and power-saving signal parameters, wherein the binding relationship comprises correspondences between the part of the BWPs and the power-saving signal parameters; and adding the binding relationship to the power-saving signal configuration information; and transmitting the power-saving signal configuration information carrying the binding relationship to the terminal, wherein when a switching is performed from a currently activated BWP to a target BWP, when the binding relationship comprises a target power-saving signal parameter bound to the target BWP, the terminal is configured to perform the power-saving signal monitoring over the target BWP according to the target power-saving signal parameter; or when the binding relationship does not comprise the target power-saving signal parameter bound to the target BWP, the terminal is configured to not perform an operation of monitoring the power-saving signal over the target BWP, and to fall back to a physical downlink control channel, PDCCH, monitoring mechanism and/or a physical downlink shared channel, PDSCH, monitoring mechanism.