An information processing system comprises a terminal device and an image search system that are connected to each other via a network, the image search system comprises: a storage unit storing an object and linkage information; a first receiver receiving a captured image; and a first transmitter transmitting the linkage information associated with the object to a source from which the captured image is transmitted, and the terminal device comprises: an identification information acquisition unit acquiring identification information that identifies each terminal device; an image capturing unit capturing an image of a subject and output the captured image; a second transmitter transmitting the captured image to the image search system; a second receiver receiving the linkage information; and a third transmitter transmitting, when an access is made via the network on the basis of the linkage information, the identification information to an access destination to which the access is made.