PROBLEM TO BE SOLVED: To provide an information processing device capable of recognizing characteristics of a tongue based on a medical finding by a more appropriate and simpler method, and capable of recognizing a health condition of a person with the tongue more appropriately and quickly.SOLUTION: An information processing device includes a processing part 2 for, based on a tongue image acquired by imaging the surface of a tongue, calculating the characteristics based on a medical finding, and weighting the calculated characteristics for each of predetermined regions, and a display 3 for displaying the result for each region.SELECTED DRAWING: Figure 1