Alumina (Al₂O₃) and silica (SiO₂) were deposited on the surface of anatase titanium dioxide (TiO₂) particles by chemical reactive deposition. Infrared absorption spectrum, X-ray fluorescence spectroscopy, transmission electron microscope, specific surface area test etc were used to characterize the morphology and structure properties of TiO₂ particles. The results show that Al₂O₃, SiO₂ and composite shell were deposited on the surface of TiO₂ particles, forming porous shell, which improves the specific surface area, surface hydroxyl content and charge capacity of TiO₂ particles. Solsperse17000 was used as surfactant, and the dispersion stability of particles in liquid medium was improved through its solvation chain effect. The white reflectivity of TiO₂@Al2@Si2 particles with a 15% mass concentration in toluene, dodecylbenzene, tetrachloroethylene, cyclohexane and Isopar L can reach 49.11%, 49.11%, 48.18%, 53.91% and 54.43% respectively, which is 4%~8% higher than that of raw TiO₂ material. Apply TiO₂@Al2@Si2 particles into electrophoretic display devices, the white reflectivity can reach 40.47% and contrast ratio can reach 59.51.