Cash accounting machine and bank cash data processing system taking same as focus

The invention discloses an operation system which takes an accounting machine as a focus and is combined with the existing cash counter and terminal machine of the bank so as to process cash and in kind data. The focus accounting machine of the system is a twin machine; a host machine thereof is provided with a CPU, a main data memory, an inner display; an auxiliary machine is provided with a data memory and an outer display; the main machine is connected with the cash counter, the terminal machine and the auxiliary machine, thus realizing the networking of a cash system including the cash counter and a bank computer system at the first time; multiple settings are carried out to an internal keyboard part and an external keyboard part, a key corresponds to a value, one touch ready is realized, and three machines are integrated into a whole in the cash operation; the terminal machine displays an operation manual; a key and a point of the accounting machine are united in the cash infusion, six levels of zero set