A capsule endoscope system includes a capsule endoscope and a wireless communication device. The capsule endoscope includes a first movement sensor, a determiner, an imager, and a first wireless receiver. The wireless communication device includes a second analyzer and a first wireless transmitter. The first analyzer analyzes first data and generates a first analysis result. The second analyzer analyzes second data and generates a second analysis result. The determiner determines an imaging timing at a period that is equal to or shorter than a reception period on the basis of any one of the first analysis result and the second analysis result.
