The warp knitted polyester grille has various characteristics such as extremely high tensile strength, low elongation, corrosion resistance, aging resistance, strong biting force with the base material, light weight, and drainage function. Soft roadbed reinforcement for various high-grade roads and railways, with different soil materials for each road; Reinforcement, isolation, and strengthening of soft soil foundations in dams and rivers in hydraulic engineering to enhance their protective capabilities and improve their bearing capacity and stability; Used for reinforcing embankment slopes and retaining walls to enhance overall strength. Construction method of polyester warp knitted polyester grille