The utility model relates to a filter cloth field discloses dacron needled filter felt with high efficiency filter and high strength. The material 6D polyester fiber of base cloth (1), pine tag face that the both sides face of base cloth (1) formed for acupuncture, the both sides face of base cloth (1) is provided with annular reinforcement cloth (3), and the annular be the straight -flanked ring,and the number of reinforcement cloth (3) is 2 just concentricity settings, a reinforcement cloth (31) and the 2nd reinforcement cloth (32) are connected through warp (4) and woof (5), and a reinforcement cloth (31), base cloth (1) and the 2nd reinforcement cloth (32) are passed in proper order to warp (4), woof (5) crisscross setting each other, the material of filter layer (2) is 2.5D polyesterfiber, and mipor PTFE membrane is taken in the outside coating of filter layer (2). The filter cloth not only possesses polyester needle felt's characteristic, has promoted the intensity of dacron base cloth simultaneously and has reduced its tensile properties, has guaranteed the bulk strength of filter cloth. The filter cloth still has the filterable characteristics of gradient simultaneously.