The implementations of the present disclosure relate to a method and a device for measuring interference or signal received power, the method includes: a terminal device measures channel sounding reference signal SRS resources to obtain a reference signal received power RSRP value corresponding to at least one SRS resource; on the basis of the RSRP value corresponding to the at least one SRS resource, the terminal device determines a value to be reported; and the terminal device reports the value to be reported to a network device.