The invention provides a filter screen for industrial circulating water. The filter screen comprises an annular baffle, a framework, protective cloth, a magnet strip, a support plate, sliding bars, afilter net I, a filter net II, opening grooves and connecting rods, wherein the framework is fixed at the lower end of the annular baffle, the opening grooves are machined in the left, right, front and rear sides in the annular baffle, the connecting rods are arranged at the front parts in the opening grooves, the protective cloth is connected to the front ends of the connecting rods, the magnet strip is assembled at the lower end of the protective cloth, the support plate is mounted at the lower end of the magnet strip and fixed below the front side of the framework, the filter net I and thefilter net II are arranged in the framework, and the sliding bars are assembled on the left and right sides of the filter net I and the filter net II. By means of the design, the double-layer filtering function is realized. The filter screen is convenient to use and operate, realizes the double-layer filtering function and is convenient to dismount, replace and clear.