A reference signal configuration method, comprising: determining, by a network device, configuration information, wherein the configuration information is indicative of a plurality of timeslot offsets of a plurality of reference signal resource sets, each reference signal resource set in the plurality of reference signal resource sets comprises at least one reference signal resource, each reference signal resource of the at least one reference signal resources is indicative of a reference signal configuration, and at least one reference signal resource set in the plurality of reference signal resource sets comprises a plurality of reference signal resources, wherein one timeslot offset in the plurality of timeslot offsets corresponds to one reference signal resource set in the plurality of reference signal resource sets; sending, by the network device, the configuration information to a terminal device, wherein the configuration information is comprised in a reference signal resource set configuration field of higher layer signaling; and sending, by the network device, on a plurality of time-frequency resources indicated by the configuration information, a plurality of reference signals indicated by the plurality of reference signal resource sets, wherein each reference signal in the plurality of reference signals is an aperiodic channel state information reference signal, CSI-RS, a unit of the timeslot offset is a timeslot, the timeslot offset is an offset between a timeslot corresponding to the reference signal resource set and a reference timeslot, and the reference timeslot is a timeslot, in which a trigger indication sent by the network device is located, wherein the trigger indication is configured to be used to trigger the terminal device to receive the plurality of reference signals. determining, by a network device, configuration information, wherein the configuration information is indicative of a plurality of timeslot offsets of a plurality of reference signal resource sets, each reference signal resource set in the plurality of reference signal resource sets comprises at least one reference signal resource, each reference signal resource of the at least one reference signal resources is indicative of a reference signal configuration, and at least one reference signal resource set in the plurality of reference signal resource sets comprises a plurality of reference signal resources, wherein one timeslot offset in the plurality of timeslot offsets corresponds to one reference signal resource set in the plurality of reference signal resource sets; sending, by the network device, the configuration information to a terminal device, wherein the configuration information is comprised in a reference signal resource set configuration field of higher layer signaling; and sending, by the network device, on a plurality of time-frequency resources indicated by the configuration information, a plurality of reference signals indicated by the plurality of reference signal resource sets, wherein each reference signal in the plurality of reference signals is an aperiodic channel state information reference signal, CSI-RS, a unit of the timeslot offset is a timeslot, the timeslot offset is an offset between a timeslot corresponding to the reference signal resource set and a reference timeslot, and the reference timeslot is a timeslot, in which a trigger indication sent by the network device is located, wherein the trigger indication is configured to be used to trigger the terminal device to receive the plurality of reference signals.