To ensure stability of flying by an unmanned aerial vehicle, first acquisition means of an unmanned aerial vehicle control system acquires first information, which is at least one piece of information for operating an unmanned aerial vehicle that is flying or information on a result of detecting an operation of the unmanned aerial vehicle. Second acquisition means acquires second information for operating the unmanned aerial vehicle after switching of control of the unmanned aerial vehicle. Flight control means restricts, in accordance with the first information and the second information, switching to control of the unmanned aerial vehicle based on the second information.