To provide a concrete block in which texture unique to concrete is utilized by applying inkjet printing to a concrete block for construction.

In the printing method of a concrete block 10 for performing inkjet printing of a printing image on the face shell surface 10a of the concrete block 10, the concrete block 10, in which the concrete of zero slump is charged and compacted into a formwork and then immediately is removed from the formwork to be produced, is used, and before performing the inkjet printing, at least any one of shot blasting, sand blasting and polishing process is applied to the face shell surface 10a.