To provide a backing nonwoven fabric having snagging properties for preventing slipping movement of a floor mat in an automobile, and also having design.

The backing for a floor mat has the design and excellent snagging properties, wherein a nonwoven fabric 3 is obtained by needling a staple fiber web of a thermoplastic fiber having a weight range of 200-800 g/m2 so that the fibers are entangled with each other, is formed with protruded loop naps in a ridge shape, a lattice shape or a zigzag shape on one surface of the nonwoven fabric, and the tips of the protruded raised fibers are melted to pattern one side of the nonwoven fabric 3 with the shape of the ridge, lattice or zigzag by melted lumps 8, and on the patterned one side, the nonwoven fabric has a static friction stress of 6.5 N.