To provide a temperature measuring jig capable of easily and quickly reaching a tip of a probe of a temperature sensor to a desired measuring position inside a housing container.SOLUTION: The main body 21 of the temperature sensor 20 for measuring the temperature of the content 31 of the container-packed food 30 can be placed with the probe 22 of the temperature sensor 20 inserted through the side surface 32a of the storage container 32 A sensor accommodating means 11 having a placing portion 11a is provided and an accommodating portion 11b accommodating a probe insertion thread member 12 which penetrates a side surface 32a of the accommodating container 32 and can be fixed to a side surface 32a in a state in which the probe 22 is inserted is And provided in the placing means 11.(FIG.【課題】温度センサのプローブの先端を収容容器内部における所望の測定位置に容易かつ迅速に到達させることができる温度測定用治具を提供する。【解決手段】容器詰め食品30の内容物31の温度を測定する温度センサ20の本体21を、温度センサ20のプローブ22が収容容器32の側面32aを貫通して挿入された状態で載置できる載置部11aを有するセンサ載置手段11を備え、プローブ22が挿通した状態で収容容器32の側面32aを貫通して側面32aに固定可能なプローブ挿通ネジ部材12を収容する収容部11bをセンサ載置手段11に備えた。【選択図】図1