PROBLEM TO BE SOLVED: To provide a method for confirming a correspondence relationship between a sensing target and a sensor without pairing the sensors with each other. SOLUTION: This is a correspondence relationship confirmation method for confirming the quality of the correspondence between a sensor attached to a sensing target and a sensing target, and acquires position information of a first sensor fixedly attached to the sensing target. The step of acquiring the position information of the second sensor detachably attached to the sensing target, the position information of the first sensor, and the position information of the second sensor are compared to obtain the distance. If the distance is equal to or greater than the threshold value, a step of determining that the correspondence between the sensing target and the second sensor does not match is provided. [Selection diagram] FIG. 14
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