Disclosed are a method and a device for measuring a biometric signal by using a radar. The disclosed method for measuring multiple biometric signals by using a radar comprises the steps of: (a) receiving an input of multiple biometric signals from a radar; (b) calculating distance information of the input multiple biometric signals, and classifying the multiple biometric signals by distance; (c) selecting a signal having a largest variance over time from among the distance-specific multiple biometric signals classified in step (b); (d) further selecting multiple signals from among signals, each of which is spaced, by a distance smaller than a predetermined distance, from the signal selected in step (c) among the distance-specific multiple biometric signals classified in step (b); (e) converting all signals selected in step (c) and step (d) from a time domain to a frequency domain; (f) calculating a reliability of each biometric signal in the distance-specific signals converted in step (e); and (g) selecting a distance-specific signal having a highest reliability calculated for each biometric signal in step (f), and detecting a corresponding biometric signal. According to the disclosed method, each biometric signal can be accurately detected from multiple biometric signals.L'invention concerne un procédé et un dispositif pour la mesure de signaux biométriques à l'aide d'un radar. Le procédé de mesure de multiples signaux biométriques à l'aide d'un radar comprend les étapes consistant : (a) à recevoir en entrée de multiples signaux biométriques provenant d'un radar ; (b) à calculer des informations de distance concernant les multiples signaux biométriques d'entrée et à classer ces derniers en fonction de la distance ; (c) à sélectionner le signal présentant la plus grande variation dans le temps parmi les multiples signaux biométriques spécifiques d'une distance classés à l'étape (b) ; (d) à sélectionner en outre de multiples signaux parmi des signaux, dont chacun est