Abstract: The present invention relates to a spare change saving system and a method therefor and, more particularly, to a spare change saving system for enabling a user to save, in an allocated user account of a saving server, spare change remaining after using money, wherein the saving server receives deposit information when the spare change is put into a saving device, the user receives, from the saving server, a saving code corresponding to the deposit information and can save spare change in the allocated user account using the saving code anytime and anywhere, and spare change remaining after using money is saved as cyber money and can be freely converted into the type of currency desired by the user and used in future.