PROBLEM TO BE SOLVED: To provide a technology that suppresses electrical power consumption while capable of measuring a pulse wave of a subject.SOLUTION: A biological information measuring device 1 includes: at least one sensing unit 7； a difference derivation part 38； and a pulse wave derivation part 56. The sensing unit 7 includes: at least one first sensing part 10； and a second sensing part 16 corresponding to each of at least one first sensing part 7. The difference derivation part 38 derives a temperature difference that is a difference between a measurement result by the first sensing part 10 and a measurement result by the second sensing part 16. The pulse wave derivation part 56 derives a pulse wave of a subject 100 based on transition of the derived temperature difference.SELECTED DRAWING: Figure 1
