The polishing solution is the solution which becomes by many kinds of chemical active ingredient and the functionality assistant configuration, it has non-toxic, does not have the corrosion, is not easy to deteriorate and so on performance, has the important status in the polishing craft. The polishing solution type are many, should choose according to the working condition, chooses the polishing solution reasonably, can cause the work piece surface which processes luminous artistic, the luster to be bright, may prevent the work piece the corrosion, maintains with enhances the work piece surface the gloss, plays the clean work piece and grinding tool's role. The polishing solution may also remove the greasy dirt, the softened work piece surface accelerates the grinding, reduces the grinding tool to the work piece the impact, the improvement working condition. In the light entire efficiency, work piece attrition quality, polishing aspects and so on radiance, the polishing solution demonstrates its unique effect.