A coated steel sheet capable of implementing a rich three-dimensional effect, various patterns, and a natural esthetic sense and includes a steel sheet material which has a concave portion and a convex portion formed on one surface and a coating layer which is formed on the one surface by being coated on a coating material, wherein, as the coating layer is polished, at least a portion of the convex portion is exposed to an outside, and the concave portion is filled with the coating material.