The invention discloses a three-dimensional sewer cleaning device for municipal construction, comprising a motor, a first rotating shaft, a roller, a pulley, a slider, a support rod, a brush, a collection box, a bottom plate of the collection box, a first screen, and a first tooth plate , the second rotating shaft, the salvage mechanism, the baffle plate, the second tooth plate, the cross bar, the reinforcing rib, the drum turntable and the second screen. The beneficial effects of the present invention are: the present invention adopts a drum structure with a screen, which makes the whole body rotate under the action of the water flow inside the sewer. It is economical and environmentally friendly. The collection box with a special structure is used to collect the lifted garbage to realize circular salvage, and the collection of garbage is convenient for later treatment, which effectively prevents the occurrence of garbage clogging the sewer and avoids the sewer The occurrence of garbage entering rivers to pollute the environment.