The present invention relates to a bill-recycling automated teller machine (ATM) for a teller with a supplementary collection box and a banknote transfer method applied thereto, and more particularly, to a bill-recycling ATM for a teller with a supplementary collection box and a banknote transfer method applied thereto, in which in configuring the ATM for a teller used when the teller performs a banking transaction at a counter, as the supplementary collection box for replenishing or collecting banknotes is provided in the ATM, a large quantity of banknotes can be promptly replenished into or collected from banknote cassettes through the supplementary collection box, and, at the same time, when a settlement work is performed, an automatic settlement can be performed by counting banknotes through a banknote discriminating unit provided on a transporting path in a process of transporting the banknotes stored in the banknote cassettes to the supplementary collection box.