Disclosed are a high-frequency radio frequency interference removal apparatus and method, wherein the apparatus comprises: a filtering unit for filtering an original electroencephalogram signal to obtain an intermediate electroencephalogram signal； a high-frequency signal extraction unit for filtering the intermediate electroencephalogram signal to extract a high-frequency signal in the intermediate electroencephalogram signal； a marking unit for comparing the amplitude of the high-frequency signal with a comparison threshold value, and performing classification marking on the intermediate electroencephalogram signal according to a comparison result； a collection unit for sampling the intermediate electroencephalogram signal subjected to classification marking to obtain an electroencephalogram signal and inputting the electroencephalogram signal in the processor； and the processor for setting the comparison threshold value and controlling the collection unit to perform sampling. In the embodiments of the present invention, a detection threshold value of a high-frequency radio frequency interference signal is obtained by analyzing an electroencephalogram signal on a time frequency, and the high-frequency radio frequency interference signal is detected according to the detection threshold value, such that classification processing can be performed on the electroencephalogram signal corresponding to the high-frequency radio frequency interference signal.L'invention concerne un appareil et un procédé d'élimination d'interférence radiofréquence à haute fréquence, l'appareil comprenant : une unité de filtrage pour filtrer un signal d'électroencéphalogramme d'origine pour obtenir un signal d'électroencéphalogramme intermédiaire ； une unité d'extraction de signal à haute fréquence pour filtrer le signal d'électroencéphalogramme intermédiaire pour extraire un signal à haute fréquence dans le signal d'électroencéphalogramme intermédiaire ； une unité de marquage pour comparer
