An expression recording system (1) is provided with: a camera (3) mounted on a perambulator (2); and a terminal device (4) carried by a user of the perambulator (2). The camera (3) is able to photograph a camera image of an occupant of the perambulator (2), and the terminal device (4) is communicable with the camera (3). When the camera image photographed by the camera (3) is inputted, the terminal device (4) detects, from the camera image, a specific expression of the occupant of the perambulator (2), and when the specific expression has been detected, the terminal device (4) transmits, to the camera (3), a surrounding photographing demand for photographing a camera image of the surroundings of the perambulator (2). Accordingly, it is possible to record the specific expression of an infant riding in the perambulator (2) during an outing with the perambulator (2).