Abstract: A sterilizing sheet is excellent in terms of saving space when a sterilizing operation is being performed, and sterilizing objects of various sizes. This sterilizing sheet is provided with a flexible sheet body, a sheet accommodating body and a handle. The sheet body is formed from a dielectric and a pair of electrodes accommodated inside the dielectric. The sheet accommodating body is a cylindrical body in which the sheet body is accommodated to be capable of being pulled out and rewound, and is provided with a case, a rotating body and a rewinding mechanism. The rewinding mechanism is a mechanism for automatically rewinding the sheet body, when pulled out from the sheet accommodating body, back into the sheet accommodating body. The handle is attached to a distal end portion of the sheet body, and includes, inside the handle, a battery, a switch mechanism, a booster circuit and a monitoring circuit.