Colored ceramic body bottom and preparation method thereof

The invention belongs to the technical field of ceramic production, and discloses a colored ceramic body bottom and a preparation method thereof, and the method comprises the following steps: carrying out compression molding on a ceramic base material to obtain a ceramic body; applying a color developing agent on the base of the ceramic body, wherein the color developing agent comprises a cobalt-containing compound; drying the ceramic green body coated with the color developing agent, and calcining until the color of the green body bottom of the ceramic green body is changed; wherein the ceramic green body contains aluminosilicate, Al2O3 is generated when the aluminosilicate is calcined at a high temperature, and when the ceramic green body is continuously calcined at a high temperature, the cobalt-containing compound reacts with Al2O3 in the ceramic green body to generate CoAl2O4, so that the color of a coating surface of the ceramic green body is changed. The low-cost cobalt-containing compound is used as t