Abstract: The present invention provides an electronic money paying-in system that can easily update information used for an electronic money paying-in process. As the present invention is provided with an electronic money management server for acquiring a paying-in amount that has been input to an electronic money charger and also sending a paying-in processing command for adding the paying-in amount to an electronic money balance on an IC card to the IC card via the electronic money charger, it needs to store information used for processing of depositing electronic money like the paying-in processing command only in the electronic money management server and it can easily update the information used for an electronic money paying-in process just by performing maintenance on the server. Therefore, as the information used for an electronic money paying-in process can be easily updated, maintenance operation can be easily performed on the electronic money charger.