A luggage management system comprising: a locking/unlocking device mounted in a vehicle and configured to lock and unlock the vehicle in response to a request from a terminal, the terminal being used by a user who delivers luggage; and an imaging device configured to capture an image of an inside of a predetermined area located in the vehicle, the predetermined area being used as a delivery place of the luggage; characterized in that the locking/unlocking device includes a control device configured to cause the imaging device to capture the image of the inside of the predetermined area when the locking/unlocking device locks and unlocks the vehicle in response to the request, and store the image; and a determination unit configured to determine a reference image, representing the inside of the predetermined area, and a comparison image, representing the inside of the predetermined area when the vehicle is locked, from the stored image, determine, based on a result of a comparison between said reference image and said comparison image, whether the luggage has been carried away from the predetermined area, and send a signal, indicating that the luggage has been carried away, to a notification unit to perform a predetermined notification process. a locking/unlocking device mounted in a vehicle and configured to lock and unlock the vehicle in response to a request from a terminal, the terminal being used by a user who delivers luggage; and an imaging device configured to capture an image of an inside of a predetermined area located in the vehicle, the predetermined area being used as a delivery place of the luggage; characterized in that the locking/unlocking device includes a control device configured to cause the imaging device to capture the image of the inside of the predetermined area when the locking/unlocking device locks and unlocks the vehicle in response to the request, and store the image; and cause the imaging device to capture the image of the inside of the predetermined area when the locking/unlocking device locks and unlocks the vehicle in response to the request, and store the image; and a determination unit configured to determine a reference image, representing the inside of the predetermined area, and a comparison image, representing the inside of the predetermined area when the vehicle is locked, from the stored image, determine, based on a result of a comparison between said reference image and said comparison image, whether the luggage has been carried away from the predetermined area, and send a signal, indicating that the luggage has been carried away, to a notification unit to perform a predetermined notification process. determine a reference image, representing the inside of the predetermined area, and a comparison image, representing the inside of the predetermined area when the vehicle is locked, from the stored image, determine, based on a result of a comparison between said reference image and said comparison image, whether the luggage has been carried away from the predetermined area, and send a signal, indicating that the luggage has been carried away, to a notification unit to perform a predetermined notification process.