stone carving process,including roughing,fine grinding and grinding – chiseling away the excess part of the stone blank until the initial outline of the carving is chiseled out.Middle roughing – is to further knock out the basic shape of the relationship between the body and the surface of the sculpture.Whether a sculpture is good or not depends on this stage, and it requires patience and careful carving. The main tools used for fine grinding are tooth chisels, flat chisels, stone files, etc