A magnetically guiding system (1) includes: a capsule medical device (10) that has a magnet provided therein an information acquiring unit (4) that acquires physical information about magnetic guiding of the capsule medical device (10) a magnetic field generating unit (2a) that generates a magnetic field for magnetically guiding the capsule medical device (10) and a control unit (8) that sets a magnetic field condition based on the physical information acquired by the information acquiring unit (4) and controls the magnetic field generating unit (2a) to generate a magnetic field corresponding to the magnetic field condition.