Abstract: Disclosed are a thermoplastic fiber with excellent durability and a fabric comprising the same. More particularly, the thermoplastic fiber contains fluoropolymer particles with average particle diameter ranging from 0.01 to 5.0/?II in thermoplastic resin to form the fiber. The inventive thermoplastic fiber is prepared by adding the fluoropolymer particles to the thermoplastic resin while spinning the thermoplastic resin. The inventive thermoplastic fiber exhibits superior durability, that is, resistance to friction and/or modification and is preferably adopted as yarns for footwear, furniture, (mountain-climbing) backpacks, abrasives, sportswear and so on.