PROBLEM TO BE SOLVED: To provide terminal equipment for a blood flow authentication device and a blood flow authentication device capable of preventing a reduction in recognition rate even for an authentication target person who is not familiar with a blood flow authentication device, and providing clearer images than before.SOLUTION: Terminal equipment for a blood flow authentication device comprises: a housing to which an insertion hole for inserting a finger is provided a light source that irradiates the back side of a finger with light from the inside of the housing, the finger being inserted into the insertion hole with the palm side not in contact with an inner wall surface of the insertion hole, and with the back side in contact with the inner wall surface and an imaging unit that photographs the light applied from the light source and transmitted through the finger at a position opposite to the light source inside the housing.
