Provided are a capsule discharging device and a capsule discharging system capable of precisely arranging a capsule endoscope in a large intestine with a simple operation. The capsule discharging device 20 includes a distal end portion 212 formed in a tubular shape which is provided on the distal end side of the tubular portion 211 and whose inner diameter at the end portion which is not in contact with the tubular portion 211 is equal to or smaller than the outer diameter of the capsule endoscope 10, And a positioning portion 213 provided on the outer peripheral side of the proximal end side of the tubular portion 211 for determining the position to insert the capsule endoscope 10 with respect to the subject, A pressing portion 222 which is provided on the distal end side of the insertion portion 221 and whose outer diameter is larger than the outer diameter of the insertion portion 221 and smaller than the inner diameter of the tubular portion 211, And an operation portion 223 provided on the base end side of the portion 221 and larger than the outer diameter of the insertion portion 221.カプセル型内視鏡を大腸内に簡易な操作で正確に配置することができるカプセル放出装置およびカプセル放出システムを提供する。カプセル放出装置20は、筒部211の先端側に設けられ、筒部211に接していない側の端部の内径がカプセル型内視鏡10の外径以下である管状をなす先端部212と、筒部211の基端側の外周側に設けられ、被検体に対してカプセル型内視鏡10を挿入する位置を決めるための位置決め部213と、を有するシリンダ部21と、筒部211内に対して摺動可能に挿入される挿入部221と、挿入部221の先端側に設けられ、外径が挿入部221の外径より大きく、かつ筒部211の内径より小さい押圧部222と、挿入部221の基端側に設けられ、挿入部221の外径より大きい操作部223と、を有するピストン部22と、を備える。
