The invention provides a high-efficient energy-saving coating glass of automatic adjusting light with the environmental temperature and a multilayer assembly glass body, and the coating glass comprises: a glass substrate, and an energy-saving multilayer coating on the substrate with a thermalchromic layer of vanadium dioxide thin film and an optical transparent anti-reflection layer with an organic or inorganic thin film. The multilayer assembly glass body is formed by parallelly assembling the multilayer coating glass with gaps. The invention realizes the high adjustment efficiency to solar energy and hot ray reflection mechanism for sunshade in summer and thermal insulation for warm in winter, provides a solid base for VO2 intelligent energy-saving window application, has advantages comprising automatic aperture-control, simple structure, low cost and wear well, at the same time, selecting material appropriately for anti-reflection film can realizes the multi-functionalization for ultraviolet ray, such as absorbing, self-cleaning, sterilizing, anti-atomizating, and the application prospect is great in building energy efficiency.