A capsule medical device guide system includes: a guide unit configured to guide a capsule medical device by a magnetic field； a position detecting unit configured to detect positional information of the capsule medical device； a display unit configured to display information relating to the capsule medical device within a subject； a scale displayed on the display unit and representing a position of the capsule medical device within the subject； a mark representing, on the scale, an area where the magnetic field is in capable of guiding the capsule medical device； a first indicator representing, on the scale, a boundary position of a range in the area； a second indicator representing, on the scale, a current position of the capsule medical device； and a control unit configured to control positions of the first and second indicators on the scale based on the positional information.
