Abstract: To provide a finger vein vein pattern input apparatus to be felt that one finger is put surely at a predetermined position during an authentication time, thereby a good convenience is attained. A finger vein pattern input apparatus for a personal authentication is constituted having a main body, a finger put stand installed on the main body, an irradiation means installed in an interior portion of the main body and for light irradiating a finger put on the finger put stand, and an imaging means for taking an image the light irradiated finger through an imaging window formed the finger put stand. To the finger put stand, an irradiation window arranged on a penetrated hole provided on the finger put stand and for passing through a light from the irradiation means is provided, and a hand touch feeling section having a smooth surface of a hand touch by approaching the imaging window and the irradiation window and by distinguishing from a peripheral rough surface having grains.