A capsule endoscope system includes a capsule endoscope which attaches irradiation time of illuminating light required to pick up an image of an object to an item of image data, a magnetic field generating apparatus which generates a guidance magnetic field, an operation section which allows at least one of position and orientation of the capsule endoscope to be changed by manipulating the guidance magnetic field, a control section which attaches posture of a subject, an operating history of the operation section, and an output history of the guidance magnetic field to the item of the image data, a storage unit which stores the item of the image data, and an image play control section which determines, based on at least one piece of the information attached to each item of the image data, whether or not it is necessary to play and display the item of the image data.