The traditional ceramic molding process has the problems of low material utilization and high energy consumption. Therefore, this paper proposes a method of using digital light processing (DLP) to prepare zirconia ceramics with fine and complex structure. In the experiment, the ceramic-photosensitive resin paste with solid phase up to mass fraction of 72.5% was configured. Using ultraviolet light as the light source, the paste was cured layer by layer and superimposed. The experiment studied the influence of exposure time, exposure intensity and other factors on the curing depth. The optimized ceramic slurry showed good curing efficiency and molding accuracy. This paper also studied the effects of sintering temperature on the density and Vickers hardness of ceramic devices. Finally, a zirconia ceramic microdevice with density of more than 95%, Vickers hardness of 11.3 GPa, and XRD characterized as tetragonal phase was fabricated, which achieved rapid printing preparation of complex ceramic devices.