The invention relates to the technical field of fabrics, in particular to a double-sided scraping device for fluff and miscellaneous threads on the surface of fabrics. There is an inverted U-shaped frame. One side of the inverted U-shaped frame is provided with a fixed shaft and a tensioning shaft. Several connecting seats are fixed on the outside of the fixed shaft. One side of the connecting seat is fixedly connected to one side of the inverted U-shaped frame. The fixed shaft, The outside of the tension shaft is rotatably connected with a rotating cylinder. In the present invention, by setting U-shaped impurity removing frame, impurity removing shaft, impurity removing motor, cylinder brush, dismantling bent plate, cleaning needle, U-shaped connecting frame, driving shaft, lower pressing shaft, active feeding cylinder, lower pressing cylinder, Feeding motor, fixed shaft, tensioning shaft, and rotating drum make it have the functions of automatic cleaning, double-sided cleaning, automatic cleaning, quick disassembly and cleaning, automatic feeding, and automatic tensioning.