PURPOSE: To improve operability by switching instruction contents of a selecting switch in accordance with the progress of sale processing and discharging drink prepared based on instruction contents and outputting instruction contents of the selecting switch in the sale processing stage at each time to a picture display device.

CONSTITUTION: When a coin is thrown in to a coin slit 13 and a sale controller 4 detects a sale selecting instruction 8, a signal to display the picture of operation positions on a picture display device 10 is supplied from a selected information output device 12; and when an operation position is touched, information of the touch position outputted from a transmission type touch panel 11 is recognized by the selected information output device 12, and the instruction of the recognition result is given to the sale controller 4. The selected information output device 12 is instructed to supply a signal which displays the picture of operation positions on the picture display device 10, and only instruction contents required in each stage of the sale processing are displayed as operation positions on the picture of the picture display device 10. Thus, the operability is improved.