1. A vehicle periphery monitoring system comprising a vehicle and a server external to the vehicle, wherein the vehicle comprises: a vehicle-mounted camera configured to capture an image of the exterior of the vehicle; a display configured to display the image; a server communication unit configured to send an acquired vehicle location information to the server; and a processor and a memory configured to act as: a location information acquisition unit configured to acquire the acquired vehicle location information on the vehicle; and a control unit configured to determine whether or not to carry out vehicle exterior image display to output the image acquired from the vehicle-mounted camera to the display, on the basis of information received from the server, and the server comprises: a caution point information storage unit configured to store: (i) information relating to a plurality of caution points, each of which is a location where use of the vehicle-mounted camera is recommended, and (ii) a camera recommendation level, each of the plurality of caution points associated with a corresponding camera recommendation level; a camera recommendation level determination unit configured to acquire the acquired vehicle location information on the vehicle, and to determine the camera recommendation level, which is information relating to the extent to which use of the vehicle-mounted camera is recommended at a caution point, among the plurality of caution points, corresponding to the acquired vehicle location information; and a vehicle communication unit configured to send the determined camera recommendation level to the vehicle, wherein: the caution point information storage unit stores the caution point and the camera recommendation level for the caution point in association with each other; and the control unit carries out vehicle exterior image display, when the camera recommendation level is greater than a prescribed value, the camera recommendation level corresponding to the caution point is determined on the basis of the number of times drivers of a plurality of vehicles have carried out vehicle exterior image display manually at the caution point.