A wireless signal performance adjustment apparatus, comprising: a monitoring unit, a control unit, a measurement unit and an adjustment unit; wherein: the monitoring unit is configured to monitor a radio frequency signal of a transmitting channel; the control unit is configured to receive the radio frequency signal of the transmitting channel from the monitoring unit, control the measurement unit to perform measurement if the radio frequency signal of the transmitting channel does not meet a performance requirement condition, and determine adjustment information according to a load impedance from the measurement unit, wherein the performance requirement condition comprises an electromagnetic compatibility performance requirement, and the adjustment information comprises an amount of tuning change in a tuning part comprising a capacitance change of an adjustable capacitor, an inductance change of an adjustable inductor; the measurement unit is configured to measure a load impedance of a power amplifier in the transmitting channel under control of the control unit; and the adjustment unit is configured to adjust the transmitting channel according to the adjustment information under the control of the control unit, so that the radio frequency signal of the transmitting channel meets the performance requirement condition; wherein the adjustment unit comprises at least one of the following modules: a power amplifier matching and tuning module configured to adjust matching of the power amplifier in the transmitting channel, so that the radio frequency signal of the transmitting channel meets the performance requirement condition; an antenna matching and tuning module configured to adjust impedance matching between the transmitting channel and an antenna, so that the radio frequency signal of the transmitting channel meets the performance requirement condition; a first tuning module configured to adjust a peak-to-average ratio of a transmitted signal in the transmitting channel, so that the radio frequency signal of the transmitting channel meets the performance requirement condition; and a second tuning module configured to adjust a transmitting power so that the radio frequency signal of the transmitting channel meets the performance requirement condition. the monitoring unit is configured to monitor a radio frequency signal of a transmitting channel; the control unit is configured to receive the radio frequency signal of the transmitting channel from the monitoring unit, control the measurement unit to perform measurement if the radio frequency signal of the transmitting channel does not meet a performance requirement condition, and determine adjustment information according to a load impedance from the measurement unit, wherein the performance requirement condition comprises an electromagnetic compatibility performance requirement, and the adjustment information comprises an amount of tuning change in a tuning part comprising a capacitance change of an adjustable capacitor, an inductance change of an adjustable inductor; the measurement unit is configured to measure a load impedance of a power amplifier in the transmitting channel under control of the control unit; and the adjustment unit is configured to adjust the transmitting channel according to the adjustment information under the control of the control unit, so that the radio frequency signal of the transmitting channel meets the performance requirement condition; wherein the adjustment unit comprises at least one of the following modules: a power amplifier matching and tuning module configured to adjust matching of the power amplifier in the transmitting channel, so that the radio frequency signal of the transmitting channel meets the performance requirement condition; an antenna matching and tuning module configured to adjust impedance matching between the transmitting channel and an antenna, so that the radio frequency signal of the transmitting channel meets the performance requirement condition; a first tuning module configured to adjust a peak-to-average ratio of a transmitted signal in the transmitting channel, so that the radio frequency signal of the transmitting channel meets the performance requirement condition; and a second tuning module configured to adjust a transmitting power so that the radio frequency signal of the transmitting channel meets the performance requirement condition. a power amplifier matching and tuning module configured to adjust matching of the power amplifier in the transmitting channel, so that the radio frequency signal of the transmitting channel meets the performance requirement condition; an antenna matching and tuning module configured to adjust impedance matching between the transmitting channel and an antenna, so that the radio frequency signal of the transmitting channel meets the performance requirement condition; a first tuning module configured to adjust a peak-to-average ratio of a transmitted signal in the transmitting channel, so that the radio frequency signal of the transmitting channel meets the performance requirement condition; and a second tuning module configured to adjust a transmitting power so that the radio frequency signal of the transmitting channel meets the performance requirement condition.