MULTILAYER FLOOR MAT

A multilayer floor mat (10), which includes a water-absorbing mat (12) and a tread mat (14), and can be additionally provided with an intermediate mat (42) and a functional layer (52), wherein the water-absorbing mat (12) is laid on the ground, and the composition material of the water absorption mat includes a water-absorbing material; and the tread mat (14) abuts against an upper surface of the water-absorbing mat (12), is composed of an elastic foaming material, and is provided with a plurality of communication portions (22) that penetrate the top and bottom sides of the tread mat. Water can flow through the communication portions (22) to the water-absorbing mat (12) and is absorbed, and the tread mat (14) and the water-absorbing mat (12) are not attached, and are just connected at several side edges; and with the cooperation of the intermediate mat (42)/the functional layer (52) on the intermediate mat (42), the following functions can be achieved: dirt removal, prevention of dirt being taken away, water