A door for automatic vending machine in which a door structure having an item sample display unit is,improved according to the invention. In the door for the automatic vending machine, a concave portion 5 of a large door 2 made by one press molding is available for an item sample display unit 3 in which the item samples 6 are displayed on each of three stairs, four fluorescent lamps 7 illuminating the item samples 6 and an advertisement 8 provided under the item samples 6 are installed, each of three lamps being provided on lower portion of the item samples 6 and the other one of the lamps being provided on uppermost portion of the item sample display unit 3, and circumference of the item sample display unit 3 is covered with a small door 4 made by a transparent material 10 and having a frame 9.