A method and a device for detecting a rubbing cloth, the method includes rubbing a coloring sheet with the rubbing cloth; and detecting the rubbing cloth according to a pattern in a rubbed region. The device includes a base platform, a coloring sheet is provided on the base platform; and a rubbing roller, a rubbing cloth to be detected is provided on an outer surface of the rubbing roller, the rubbing roller is disposed in parallel to the base platform and the rubbing roller is configured to rub on the coloring sheet. By coloring the rubbing cloth with the coloring sheet, and detecting the rubbing cloth with a pattern in a rubbed region, the quality of the rubbing cloth can be detected by observing the depth and the arrangement of the pattern.