Sewage treatment filter based on sewage disposal technology

The utility model discloses a sewage treatment filter based on decontamination technology, which comprises a base, support rods, a top plate and a pretreatment box, and further comprises a filter body, the top plate is arranged right above the filter body and is of a rectangular plate-shaped structure which is horizontally placed, the support rods are vertically inserted into four corners of the lower end surface of the top plate, and the bottom of the top plate is provided with the pretreatment box. The bottom ends of the supporting rods are connected with the bases, the two bases are oppositely arranged in parallel, the filter body is located between the two bases, universal wheels are fixedly connected to the bottom ends of the bases, a pretreatment box is fixedly connected to the center of the upper end face of the top plate, and a top cover is connected to the top end of the pretreatment box. A conveying pipe is fixedly inserted into the center of the bottom end of the pretreatment box, the end, away fro