Structure of cap having storage space

The storage part equipped with the seal plate which has the present invention and storage space and to which the lower end of the storage space adhered, The cap which has the storage space containing the external cap which was formed so that it could fold up in the above-mentioned storage part, and was combined with the discharge part, the discharge stand inserted in the above-mentioned discharge part, and the operation component which bursts a seal plate by the operation of the above-mentioned discharge stand in which a different-species substance is stored is offered.