To provide a floor mat for reducing noises in an operation room and thus improving the accommodating performance thereof.

The floor mats 11, 21 to be placed on a floor surface 5 of the working machine operation room 1 each comprise a laminated structure composed of a vibration damping member 13 for interrupting the propagation sounds and vibration transmitted to the floor surface 5 of the operation room 1, a sound absorbing member 14 having sound absorbing function, and a skin member having a number of holes 15a. More preferably, the skin member 15 and the sound absorbing member 14 are adhered to each other with a pressure fitting 31.