The optical biometric device according to the invention is provided with: a measurement data display control unit for displaying a number of pieces of measurement data on the three-dimensional head surface image or three-dimensional brain surface image displayed on the display unit, and is formed of: a storage unit for storing channel information that indicates combinations of light sending probes and light receiving probes for acquiring information about the amounts of the received light in measurement portions and a channel information display control unit for displaying a number of light sending probe points at which light sending probes have been placed and a number of light receiving probe points at which a number of light receiving probes have been placed according to the three-dimensional coordinates displayed on the display unit, and at the same time, for displaying line segments that indicate combinations of light sending probes and light receiving probes for connecting light sending probe points and light receiving probe points based on said channel information.
