Disclosed is a living body measurement apparatus including: a first light source placed on the surface of the skin in a living body and radiating a first light in a visible light wavelength range onto the surface of the skin a second light source placed on the surface of the skin and radiating a second light in a near-infrared wavelength range onto the surface of the skin an optical detector placed on the surface of the skin at a predetermined distance from the first and second light sources to detect, as an electric signal, first or second detection light penetrating up through the skin and inputted thereto among the radiated first or second light and a controller for sequentially driving the first and second light sources.
