Polishing abrasive cloth

The utility model discloses polishing abrasive cloth which comprises a first main rotating shaft and a second main rotating shaft which are symmetrically arranged, a movable rolling shaft set capable of folding the polishing abrasive cloth is arranged on a sliding groove, and a driving mechanism capable of driving a second connecting plate to move so as to increase the area of a polishing working face is arranged between a first connecting plate and a second connecting plate. The first connecting plate and the second connecting plate are provided with driving assemblies capable of driving the movable rolling shaft set to work, the folded grinding abrasive cloth can be released after the movable rolling shaft set works, and the driving assemblies are connected with a driving mechanism. The folded part can be released when the workpiece is folded, so that the area of the grinding abrasive cloth is larger, the area of the workpiece which can be ground is larger, the area of the workpiece which cannot be ground a