Polyester forming fabric is a dewatering equipment commonly used in the forming section of paper machine in paper industry. Long-term multi-purpose copper mesh, which is a new product gradually developed along with social progress and rapid development of science and technology and adopted by the paper industry, has long been a single-layer polyester forming mesh, and has been gradually replaced by a multi-layer forming mesh, which is mainly made of polyester monofilaments and nylon monofilaments through fine weaving.