The utility model relates to a novel roller automatic cleaner. The top of the machine frame 1 is provided with a cleaning brush 5, the both ends of the machine frame 1 are respectively provided with a carrier wheel 3 and the carrier wheel 3 is connected by a motor. The carrier wheel 3 is provided with a chain 2 and the chain 2 is provided with a rolling wheel 7. The low side of the rolling wheel 7 is provided with a washboard 4 and the rolling wheel 7 is provided with a roller 6. The side of the end head of the roller 6 is provided with a spray head which can spray liquid for the guiding hole of the roller, and the lower part of the machine frame 1 is provided with a filter 8. The novel roller automatic cleaner can carry out the automatic comprehensive cleaning with high quality and high efficiency for the roller and can also prevent the rollers crashing in the cleaning process. The novel roller automatic cleaner avoids the knocking and ensures the request of cleaning degree after the roller is cleaned.