The invention relates to a novel mop. The novel mop comprises a mop rod, a mop head, a water tank, a water inlet, a piston, a downcomer pipe, a downcomer switch and sweat absorption cloth, and is characterized in that the water tank is mounted at the upper part of the mop rod; the water inlet is formed in the upper part of the water tank; people inject water into the water tank through the water inlet, and after the water tank is filled with water, people can plug the water inlet through the piston; the downcomer pipe is mounted at the bottom of the water tank; the downcomer pipe is fixed above the mop rod and extends into the mop head; the downcomer switch is arranged above the downcomer pipe; after the downcomer switch is switched on, water in the water tank can enter the mop head along the downcomer pipe, so that people can keep the mop head continuously dry during mopping; meanwhile, the sweat absorption cloth is mounted above the mop head and is made of materials with good water absorption capability, so that people can wipe sweat on hands through the sweat absorption cloth during mopping. The novel mop is simple in structure and easy to manufacture.