Abstract: Providing a system that prevents decrease of attentiveness of drowsiness of a driver of a moving vehicle. A safe-driving support system is provided. The safe-driving support system comprises: a spraying device having a shape being able to be steadily placed near a driving seat of a movable body and spraying in the movable body; a mobile information processing device configured to be able to perform proximity communication with the spraying device and being able to obtain current location information via a GPS; and an information providing server providing the information processing device with information via the Internet.