An information processing system and an information processing device that are capable of reflecting an emotion of a user and performing route search. In an information processing system including a search unit that performs the route search on the basis of route search information that is input, to output a result searched by the search unit, the search unit performs the route search on the basis of the route search information, and emotion information obtained from an artificial intelligence module that generates an emotion of the same quality as in an emotion of a searcher.