TEMPERATURE MEASUREMENT DEVICE

A temperature measurement device includes: a case fixed to a measurement target product; a flexible printed circuit board attached to the case; and a thermistor element mounting portion having a thermistor element to be electrically connected to a wiring provided on the flexible printed circuit board, the case has a holding portion for holding the thermistor element mounting portion and a support portion for supporting the holding portion, the holding portion is connected through a hinge portion to a case body provided with the support portion, and the holding portion is supported by the support portion in such a manner that the holding portion is folded back to bend the hinge portion.