NOVELTY - Organic/inorganic hybrid transparent thermal insulation coating material comprises 45-85 pts. wt. organic/inorganic hybrid UV photo-curing resin, 5-50 pts. wt. nano-particles dispersion liquid and 1-4 pts. wt. auxiliary agent. The organic/inorganic hybrid UV photo-curing resin comprises 34-90 pts. wt. modified sol-gel, 9-65 pts. wt. UV-curable resin, 1.5-5 pts. wt. photoinitiator and 1-3 pts. wt. dispersant. The nano-particles dispersion liquid comprises functional particle and isopropanol, and polyvinylpyrrolidone (PVP). The auxiliary agent is AFCONA dispersant and/or AFCONA flatting agent.    USE - The coating material is useful in the preparation of polymer substrate surface coatings; energy-saving electric light source, photoelectric materials, energy saving window, and solar battery.    ADVANTAGE - The coating material has good thermal protection effect, high visible light transmittance, and infrared and near-infrared light and heat radiation barrier effect.    DETAILED DESCRIPTION - Organic/inorganic hybrid transparent thermal insulation coating material comprises 45-85 pts. wt. organic/inorganic hybrid UV photo-curing resin, 5-50 pts. wt. nano-particles dispersion liquid and 1-4 pts. wt. auxiliary agent. The organic/inorganic hybrid UV photo-curing resin comprises 34-90 pts. wt. modified sol-gel, 9-65 pts. wt. UV-curable resin, 1.5-5 pts. wt. photoinitiator and 1-3 pts. wt. dispersant. The nano-particles dispersion liquid comprises functional particle and isopropanol in the mass ratio of 1:2-1:6, and 0.5-5% polyvinylpyrrolidone (PVP) accounting to the total mass of functional particle and isopropanol. The auxiliary agent is AFCONA dispersant and/or AFCONA flatting agent. INDEPENDENT CLAIMS are also included for:    (1) preparing the coating material, comprising (i) preparing nano-particle dispersion liquid by adding functional particle and isopropanol into a container, dispersing by adding water, and then adding isopropanol, functional particle and polyvinylpyrrolidone, and rotating at a speed of 1500-3000 rotations/minute, subjecting to ball milling dispersion for 1-6 hours, to obtain the stable dispersion liquid containing uniform particle size distribution of non-thermal conductive particles in dispersion liquid, (ii) preparing nano-modified sol-gel by (iia) taking 40-75 pts. wt. nano-sol-gel, 20-55 pts. wt. silane coupling agent, 4-16 pts. wt. de-ionized water and 1-8 pts. wt. acetic acid, and (iib) adding sol-gel and silane coupling agent into a reactor, uniformly stirring, slowly adding aqueous solution acetic acid and de-ionized water in dropwise manner, stirring and reacting for 2-8 hours, aging for 24 hours, and obtaining the product, (iii) preparing organic/inorganic hybrid UV-photo-curing resin by (iiia) taking all the above mentioned raw materials of organic/inorganic hybrid UV-photo-curing resin, and (iiib) adding all the raw materials into a dispersing container, mixing, dispersing, and stirring for 0.5-3 hours, to obtain the product, and (iv) preparing the coating material by (iva) preparing taking all the above mentioned raw materials, and (ivb) adding all the raw materials into the reaction kettle, rotating at speed of 2000-3000 rotations/minute, an dperforming high speed dispersion for 30 minutes, to obtain the product; and    (2) use of coating material in the preparation of polymer substrate surface coatings, where the visible light transmittance of the coating is greater than or equal to 88%, and the infrared and near infrared photo-thermal radiation blocking rate, is greater than or equal to 80%.