From catalytic reaction to metabolism process, a lot of chemical and biological reactions take place on the surface / interface of the materials. In order to understand the reaction mechanism and thus to intentionally control these reaction processes, it is extremely important to elucidate their atom / molecule arrangements and electronic structure on the surface / interface. Their researches focus upon exploring the structure on the functional organic thin films surface and electrode / solution interface on the atomic / molecular level, by using infrared reflection absorption spectroscopy (IRRAS), sum frequency generation (SFG) vibrational spectroscopy and scanning probe microscope (SPM).