DISASTER INFORMATION PROCESSING SYSTEM, MODE SWITCHING DEVICE AND PRIORITY DETERMINATION DEVICE

To provide a disaster information processing system which can efficiently perform support of commodity products or service needed by a disaster victim in the disaster time.SOLUTION: A disaster information processing system comprises: a plurality of terminal devices which include a first A terminal device of a first A user; and a management device. The management device includes a transaction service provision part which provides transaction service to the plurality of terminal devices. The transaction service provision part includes a mode switching portion which switches between the normal time mode of providing a first A screen display that enables the first A user to perform commercial transaction with a second A user in the normal time to the first A terminal device, and the disaster time mode of providing a second A screen display that enables support from the second A user or third A user for which the first A user who has become a disaster victim in the disaster time may become a supporter to be established to the first A terminal device.SELECTED DRAWING: Figure 1 【課題】災害時に被災者が必要とする商品または役務の支援を効率よく行うことができる災害情報処理システムを提供する。【解決手段】第１Ａユーザーの第１Ａ端末装置を含む複数の端末装置と、管理装置と、を有する災害情報処理システムであって、前記管理装置は、複数の前記端末装置に取引サービスを提供する取引サービス提供部を備え、前記取引サービス提供部は、平常時に前記第１Ａユーザーが第２Ａユーザーと商取引することを可能とする第１Ａ画面表示を前記第１Ａ端末装置に提供する平常時モードと、災害時に被災者となった前記第１Ａユーザーが支援者となり得る前記第２Ａユーザーまたは第３Ａユーザーからの支援を成立させることを可能とする第２Ａ画面表示を前記第１Ａ端末装置に提供する災害時モードと、を切り替えるモード切替部を備える、災害情報処理システム。【選択図】図１