[en] This book deals with historical background of a laser and characteristic of analytical chemistry laser spectrometry using diode laser, analytical chemistry application of laser induce plasma spectral of the law ; biochemical materials analysis using strengthening Raman spectroscopy such as resonance Raman scattering and surface-enhanced Raman scattering spectroscopy, resonant ionization mass spectrometry technology using a laser, remote analysis technique using a laser and realtime ingredient analysis of submicrometer practice in air.