PROBLEM TO BE SOLVED: To restrain damage of an inputted grain, and to also dispense with grain taking-out work and device re-operation after finishing operation of a device, in the present invention.SOLUTION: The present invention is a grain storage device having a tank for storing an inputted grain and a lift for inputting the grain in the tank by pumping up the grain supplied from an external part, and the lift is integrally provided in the tank, and an upper part of the tank is provided with an input port for inputting the grain pumped up by the lift, and a lower part of the tank is provided with an inflow port for making the grain supplied from the external part flow in before inputting the grain from the input port.SELECTED DRAWING: Figure 2
