An information processing system includes a determining unit configured to determine, based on use amounts, for predetermined respective periods, of a device, whether a period during which a use amount of the device increases is present; a deciding unit configured to determine whether maintenance work is to be performed on the device in a case where the determining unit determines that the period during which the use amount of the device increases is present and to decide details of the maintenance work; and an outputting unit configured to output the details of the maintenance work. The deciding unit decides the details of the maintenance work including at least one of a check item name that is in accordance with the device and a replacement component name that is in accordance with a predicted use amount of the device in the period.