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 each item of image data and outputs the image data, a magnetic field generating apparatus adapted to generate a guidance magnetic field, an operation section adapted to allow at least one of position and orientation of the capsule endoscope to be changed by manipulating the guidance magnetic field, a control section adapted to be able to attach posture of a subject, an operating history of the operation section, and an output history of the guidance magnetic field corresponding to the operating history of the operation section to each item of the image data and output the image data, a storage unit adapted to store each item of the image data outputted from the control section, and an image play control section adapted to determine, based on at least one piece of the information attached to each item of the image data stored in the storage unit, whether or not it is necessary to play and display each item of the image data stored in the storage unit.