The pulse wave transit time measuring device (1) is detected by a first signal processing unit (310) that performs filtering processing on an electrocardiogram signal detected by the electrocardiogram sensor (10) and a photoelectric pulse wave sensor (20). A second signal processing unit (320) that performs a filtering process on the photoelectric pulse wave signal, a peak detection unit (316, 326) that detects a peak of the electrocardiogram signal and the photoelectric pulse wave signal, and a first signal processing. A delay time acquisition unit (317, 327) for obtaining a delay time of the electrocardiogram signal in the unit (310) and a delay time of the photoelectric pulse wave signal in the second signal processing unit (320)； Based on the delay time of the pulse wave signal, a peak correction unit (318, 328) that corrects the peak of the electrocardiogram signal and the peak of the photoelectric pulse wave signal, and the corrected peak of the electrocardiogram signal and the peak of the photoelectric pulse signal Time difference Comprising a pulse wave propagation time measuring unit for determining the Luo pulse wave propagation time and a (330).脈波伝播時間計測装置（１）は、心電センサ（１０）により検出された心電信号に対してフィルタリング処理を施す第１信号処理部（３１０）と、光電脈波センサ（２０）により検出された光電脈波信号に対してフィルタリング処理を施す第２信号処理部（３２０）と、心電信号及び光電脈波信号のピークを検出するピーク検出部（３１６，３２６）と、第１信号処理部（３１０）における心電信号の遅延時間、及び第２信号処理部（３２０）における光電脈波信号の遅延時間を求める遅延時間取得部（３１７，３２７）と、心電信号の遅延時間と光電脈波信号の遅延時間に基づいて、心電信号のピークと光電脈波信号のピークを補正するピーク補正部（３１８，３２８）と、補正された心電信号のピークと光電脈波信号のピークとの時間差から脈波伝播時間を求める脈波伝播時間計測部（３３０）とを備える。
