PURPOSE: To efficiently take in and out paper money with respect to each ATM so that an operation corresponding to the respective utilization rates can be executed, in the cash management system which can execute unitary management of paper money in each ATM.

CONSTITUTION: For instance, by a counting-up part 112 of a central managing device 2, the number of pieces of payment paper money of each ATM 1a, ...is counted up with regard to a certain period. From its data, and a contained state in each ATM 1a, ... and a loading box 3, the number of pieces of paper money to be allocated to each ATM 12, ... and its sequence on the day when the operation is to be executed are determined by a control arithmetic part 111. Also, this system is constituted so that a collection of paper money and its replenishment are executed automatically by executing setting to each ATM 1a, ... of the loading box 3, based on its determination.