Carpets are ground layers made of cotton, linen, wool, silk and straw yarns or chemical synthetic fibers, knitted, planted or textured by manual or mechanical processes. It is one of the arts and crafts with a long history and tradition in the world. It covers the ground of residence, hotel, meeting room, entertainment place, gymnasium, exhibition hall, vehicle, ship, airplane, etc. It can reduce noise, heat insulation and decoration effect, improve foot feeling, prevent slipping and prevent air pollution. The use areas in the house are kitchen, bedroom, bedside, tea table, sofa, toilet and living room.