The sewing thread is a kind of sewing thread for textile fabrics and leather products, which is often used in the sewing of footwear, bags and other products. It is usually made of polyester, polyester, nylon and other materials, with soft texture, comfortable hand feeling, strong tensile strength and abrasion resistance, and is not easy to break. Because of its good strength, strong durability, and high requirements for product aesthetics, it is widely used.