Abstract: A cash handling method includes: interworking or linking data regarding cash deposit into or withdrawal from a front-end machine (FEM), provided in a retail shop, with a banking system; providing an electronic tag to a filling cassette (FC), comprised in the FEM and configured to store cash, and providing a unique identification number to the electronic tag with respect to the FCs; and when the FCs are filled with a certain amount of cash or fully, transporting the FCs to a bank having the banking system, and depositing the cash in the FCs having the unique identification number into the bank.