Method and apparatus for non-invasive measurement of living body characteristics by photoacoustics

The invention relates to connected with the non-invasive sound light measuring to the biological information the method and device, wherein the device comprises: Configured for producing comprising a specific device is the light source (8); Is use with the light to transmit the lighting device of patient (10); And, at least comprising washer element (30) and a signal detecting unit (11); the washer element (30) is an titanic acid lead's washer monocrystal is formed and disposed for detecting sound signal, wherein the sound signal is produced by a specific material absorbing of the patient body or the body surface of a lighting lamp energy.