The present invention relieves operational burden for a user to backwardly move a capsule medical device in a subject. A capsule guiding system 1 according to the present invention includes a capsule medical device 2 that takes an in-vivo image in the subject, a magnetic guiding device 4 that magnetically guides the capsule medical device 2 in the subject, the receiving device 3 that receives the in-vivo image group from the capsule medical device 2 in the subject, the display unit 8 that displays the in-vivo image group received by the receiving device 3, the storage unit 9 that sequentially stores guidance information of the magnetic guiding device 4 for magnetically guiding the capsule medical device 2 in the subject, the input unit 7, and the control unit 10. When instruction information of backward moving of the capsule medical device 2 is input by the input unit 7, the control unit 10 controls the magnetic guiding device 4 so that the capsule medical device 2 backwardly moves on a trajectory based on the guidance information of the magnetic guiding device 4 stored in the storage unit 9.
