The invention provides an asphalt sludge concentrating device which comprises a sludge pool. The sludge pool is provided with a plurality of inclined sludge pushing plates, a guide rail is arranged over the sludge pool, the inclined sludge pushing plates move along the guide rail, the guide rail is fixedly connected with a vertical telescopic rod, and the sludge pool is further provided with a supernatant extracting device. The inclined sludge pushing plates are arranged in the sludge pool, sewage flows into the sludge pool, and sludge is naturally settled on the inclined sludge pushing plates and pushed out of the sludge pool by the inclined sludge pushing plates after settling is finished, so that operating personnel can conveniently remove the sludge; convenience is achieved, and the labor intensity is low.