PURPOSE: To increase advertizing efficiency by housing an exhibiting merchandise inside a triangle pole, exhibiting the merchandise at the time of a sale, and displaying it on the front side of an automatic vending machine by means of a triangular display device at the time of the standby of the sale.

CONSTITUTION: The merchandise is housed inside a triangular pole 3, an aperture or a transparent window is provided on a display surface so as to show the merchandise from a display surface 3c, and the triangular pole 3 is rotated by a motor 6. Further, the motor is controlled by motor driving means 8 to 11, so that the merchandise may be displayed through two surfaces 3a and 3b other then the display surface 3c, where the aperture or the transparent window is provided, of the triangular pole during the standby of the sale, on the other hand, it may be displayed through the display surface 3c where the aperture or the transparent window is provided at the time of the sale. Thus, since the merchandise can be displayed through the whole display surfaces, the advertizing efficiency can be improved.