A data processing system detects an ordinary consumer positioned in a specific space using an ultrasonic sensor, and detects specific temperature generated from the specific consumable commodity consumed by the ordinary consumer using an IR sensor. In this process, a sensor driving unit integrally moves the ultrasonic sensor and the IR sensor so as to direct them to the ordinary consumer whose position is detected, allows the IR sensor directed to the ordinary consumer to detect a specific temperature, and records the specific temperature and so forth as a consumption behavior. Accordingly, data regarding the consumption behavior, which is uncollectible at the points of time of order intake, production, shipping and selling of the specific consumable commodity, may be collected, making use of the specific temperature generated when the specific consumable commodity is consumed by the ordinary consumer. In this way, the present invention provides a data processing system capable of efficiently collecting data regarding the consumption behavior of the specific consumable commodity, such as a beverage kept hot or cold.