A swallowing action measurement device (1) includes a holder (11), a sound detector (12) and a posture detector (13). The holder (11) is fitted to a neck region of a person being measured from behind. The sound detector (12) is held in the holder (11) in contact with the outer side surface of the neck region close to the epiglottis, and detects sound associated with at least a swallowing action of the person being measured (P) and outputs a measured sound signal. The posture detector (13) detects a posture of the person being measured (P).
