The invention relates to a peripheral drive mud scraper. The peripheral drive mud scraper comprises a central supporting seat, a current collecting device, a service bridge, a flow equalizing bucket, scraping arms, a scum scraping plate, mud scraping plates, a mud collection trough scraping plate and a drive part, wherein the current collecting device is arranged on the central supporting seat, a central bearing for supporting the service bridge is arranged on the central supporting seat, the service bridge is in running fit with the central supporting seat through the central bearing, the scraping arms are arranged below the service bridge, the scum scraping plate is arranged in the middle part of the scraping arms, the mud scraping plates are fixed on a mud scraping plate fixing frame below the scraping arms, the mud collection trough scraping plate is fixed at the end part of the inner side of the mud scraping plate fixing frame, the drive part is arranged at the end part of the outer side of the service bridge, and comprises a motor, a speed reducer, a transmission mechanism and a roller, the scraping plate is made by a flexible and firm composite rubber plate, the scraping arms are provided with mud suction pipes which are connected with a mud suction pump, and the mud suction pump is connected to a mud collection trough through a mud pipe.