An image filing device for a capsule endoscope, the image filing device being configured to process successive image data captured in succession by a capsule endoscope moving in a subject body at a prescribed time interval, comprising: an interesting position information acquisition unit configured to sequentially acquire one or more of position information relating to the position in the subject body where the successive image data is acquired as information regarding a position of interest; an image data acquisition unit configured to acquire image data corresponding to the position designated as the information regarding a position of interest from the successive image data; a position display unit configured to display one or more of position information in the subject body as a diagram in two dimensions representing luminal organs graphically and including at least a body outline, a luminal organ outline, and a trajectory path of the capsule endoscope in the luminal organ in the body; an image data processing unit configured to apply a prescribed processing to the image data acquired by the image data acquisition unit, the prescribed processing being a detection of image data with a particular color designated in advance during a sequential search of the successive image data; and a progress information display unit configured to superimpose and display a first position mark indicating the position of the information regarding a position of interest acquired by the interesting position information acquisition unit and corresponding to image data to which the image data processing unit is currently applying the prescribed processing on the trajectory path displayed by the position display unit, and to indicate the progress of processing by the image information processing unit by a change in a position of the first position mark on the trajectory path. an interesting position information acquisition unit configured to sequentially acquire one or more of position information relating to the position in the subject body where the successive image data is acquired as information regarding a position of interest; an image data acquisition unit configured to acquire image data corresponding to the position designated as the information regarding a position of interest from the successive image data; a position display unit configured to display one or more of position information in the subject body as a diagram in two dimensions representing luminal organs graphically and including at least a body outline, a luminal organ outline, and a trajectory path of the capsule endoscope in the luminal organ in the body; an image data processing unit configured to apply a prescribed processing to the image data acquired by the image data acquisition unit, the prescribed processing being a detection of image data with a particular color designated in advance during a sequential search of the successive image data; and a progress information display unit configured to superimpose and display a first position mark indicating the position of the information regarding a position of interest acquired by the interesting position information acquisition unit and corresponding to image data to which the image data processing unit is currently applying the prescribed processing on the trajectory path displayed by the position display unit, and to indicate the progress of processing by the image information processing unit by a change in a position of the first position mark on the trajectory path.