Penetrating ink for polished tiles is a solution type penetrating ink made by combining ceramic coloring factors and solvents with good compatibility with ceramic tile green bodies, supplemented by powerful permeation aids. Due to the good compatibility between the ink and the internal pores of the green body, as well as the molecular size of the coloring factors inside the ink, combined with the permeation aid effect, the penetration depth of the penetrating ink can reach 2-3mm, suitable for pattern decoration of various ceramic polished tiles. Polishing brick ink belongs to permeable ink, does not contain particles, does not block the nozzle and ink path, uses chemically inert materials as solvents, does not corrode the ink path material and nozzle, has a high evaporation temperature, and will not dry up after long-term use. The ink colors for Mindray polishing bricks include blue, brown, yellow, green, red, black, and white.