Folding mop cleaning device that spin -dries relates to the mop, especially a convenient to use, clean folding mop cleaning device that spin -dries efficient, not dirty hand. This folding mop cleaning device that spin -dries, including rotatory mop and cleaning barrel, rotatory mop includes mop pole and mop dish, and the mop dish is fixed at mop pole lower extreme through the universal joint, and the mop pole is two segmentation structures, connects through down -pressure type rotary mechanism, cleaning barrel includes the cleaning cabin and the storehouse of spin -drying, and the storehouse of spin -drying is higher than cleaning cabin, spin -dry storehouse and the inside intercommunication of cleaning cabin, and cleaning cabin all is provided with the rotation axis with the storehouse bottom of spin -drying, is provided with a buckle in the middle of the mop portion of trying to get to the heart of a matter, and this buckle internal diameter matches with the rotation axis external diameter, this mop dish adopts three -section structure, is a left side in, right three -section respectively, is connected and winds the hinge rotation respectively through hinge and interlude for left and right two sections. The utility model discloses, adopt the folding mop dish of syllogic, effectively increased the size of mop dish, improve the single and drag the ground area, improve clean efficiency.