Polyester fiber warp-knitted geogrid selects high-strength polyester fiber as raw material. Adopting the warp-knitting directional structure, the warp and weft yarns in the fabric have no bending state between each other, and the intersections are bound with high-strength fiber filaments to form a firm bonding point, giving full play to its mechanical properties, high-strength polyester fiber warp-knitting geogrid The grid has high tensile strength, small extension force, high tear strength, small vertical and horizontal strength difference, ultraviolet ray aging resistance, abrasion resistance, corrosion resistance, light weight, strong interlocking force with soil or gravel, which is good for strengthening soil Shear resistance and reinforcement improve the integrity and load capacity of the soil, which has a significant effect.