By using physical or chemical methods to introduce the antibacterial agent into the surface and inside of the fiber, not only does it not easily fall off from the fiber, but also diffuses through the inside of the fiber to have a longer antibacterial effect. By using chemical or physical methods, the quantity and reproduction of bacteria is inhibited or even all killed. This is 20D410T nylon fabric, which can be used as main fabric without velvet or can be used as the lining of high quality clothes