PROBLEM TO BE SOLVED: To provide an action plan generation device, an action plan generation method, and a program capable of encouraging the use of a car sharing service. An action plan generation device includes an acquisition unit that acquires vehicle information relating to a plurality of vehicles used in a vehicle rental service and preference information indicating the preferences of a user who has visited a commercial facility where the vehicle is waiting. , A vehicle selection unit that selects at least one vehicle from the plurality of vehicles based on the vehicle information and the preference information acquired by the acquisition unit, and the vehicle selected by the vehicle selection unit are used. It includes an action plan generation unit that generates an action plan of the user, and a providing unit that provides the user with information indicating the action plan generated by the action plan generation unit. [Selection diagram] Fig. 1
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