Filter material for sewage treatment

The invention belongs to the technical field of sewage treatment, and discloses a sewage treatment filter material which comprises a treatment box, a water inlet is fixedly formed in the top end of the treatment box, a water outlet is fixedly formed in the bottom end of the treatment box, supporting legs are arranged on the two sides of the water outlet and fixedly installed at the bottom end of the treatment box, and a filtering assembly is arranged in the treatment box and fixedly connected with the water inlet. The filter assembly comprises filter boxes arranged in the treatment box, filter holes are formed in the filter boxes, a connecting assembly and a sealing assembly are arranged between the filter boxes and the treatment box, the filter boxes are uniformly arranged, a bearing plate is arranged at the bottom end of each filter box, and each bearing plate is fixedly mounted in the treatment box. When sewage is treated, the sewage is discharged into the treatment box from the water inlet, the sewage is