An interference finding method, applied to a receiving device, comprising: receiving (S201) measurement configuration information configured by a transmitting device; characterized in that , the method further comprises: performing (S202), according to the measurement configuration information, a receiving measurement on a transmit beam associated with the measurement configuration information transmitted on a high-frequency unlicensed spectrum using beamforming technique; wherein the receiving measurement comprises at least one of: a received signal strength indicator or a channel occupancy; and determining (S203) a serviceable beam according to a measurement report obtained based on the receiving measurement; wherein the serviceable beam satisfies one of the following conditions: the received signal strength indicator, obtained according to the receiving measurement, being not greater than a second received signal strength threshold value; or the channel occupancy, obtained according to the receiving measurement, being not greater than a second channel occupancy threshold value, whereby the second received signal strength threshold value and the second channel occupancy threshold value are received from the transmitting device. receiving (S201) measurement configuration information configured by a transmitting device; characterized in that , the method further comprises: performing (S202), according to the measurement configuration information, a receiving measurement on a transmit beam associated with the measurement configuration information transmitted on a high-frequency unlicensed spectrum using beamforming technique; wherein the receiving measurement comprises at least one of: a received signal strength indicator or a channel occupancy; and determining (S203) a serviceable beam according to a measurement report obtained based on the receiving measurement; wherein the serviceable beam satisfies one of the following conditions: the received signal strength indicator, obtained according to the receiving measurement, being not greater than a second received signal strength threshold value; or the channel occupancy, obtained according to the receiving measurement, being not greater than a second channel occupancy threshold value, whereby the second received signal strength threshold value and the second channel occupancy threshold value are received from the transmitting device. performing (S202), according to the measurement configuration information, a receiving measurement on a transmit beam associated with the measurement configuration information transmitted on a high-frequency unlicensed spectrum using beamforming technique; wherein the receiving measurement comprises at least one of: a received signal strength indicator or a channel occupancy; and determining (S203) a serviceable beam according to a measurement report obtained based on the receiving measurement; wherein the serviceable beam satisfies one of the following conditions: the received signal strength indicator, obtained according to the receiving measurement, being not greater than a second received signal strength threshold value; or the channel occupancy, obtained according to the receiving measurement, being not greater than a second channel occupancy threshold value, whereby the second received signal strength threshold value and the second channel occupancy threshold value are received from the transmitting device. the received signal strength indicator, obtained according to the receiving measurement, being not greater than a second received signal strength threshold value; or the channel occupancy, obtained according to the receiving measurement, being not greater than a second channel occupancy threshold value, whereby the second received signal strength threshold value and the second channel occupancy threshold value are received from the transmitting device. <EOS>