The invention discloses a concrete scraping machine. The concrete scraping machine comprises a vehicle chassis, a steering mechanism and a spreading mechanism, wherein the steering mechanism is arranged in the middle of the vehicle chassis and comprises a steering shaft and a fixed disc, the steering shaft is arranged in the middle of the vehicle chassis, and the fixed disc is arranged at the top of the steering shaft; and the spreading mechanism comprises a crossbeam, a scraper, a compaction roller and a vibrating plate, one end of the crossbeam is connected with the steering shaft through the fixed disc, and the compaction roller, the scraper and the vibrating plate are arranged at the other end of the crossbeam in sequence. The concrete scraping machine can quickly and conveniently complete the process of stirring, pouring, compacting, scraping and the like.