A portable guide device is characterized by comprising a transport facility start judgment means for judging that a transport facility has begun to move if a period where an acceleration detected by an acceleration sensor (SN3) is included continuously in an acceleration range at the time of starting movement is not shorter than the acceleration continuation time; a distance calculation means for calculating the moving distance of the transport facility according to an acceleration detected by the acceleration sensor (SN3) when start of movement of the transport facility is detected; a route information storage means (KC6A) for storing route information including information on a distance between stations of the transport facility and station identifying information for identifying each station; and an announcement device control means (KC1) for controlling an announcement unit (11) which announces guidance of a station to a user of the portable guide device according to the station identification information on an entraining station, route information, and the moving distance.