The invention discloses a rubdown device for shell fabric. A stand column is arranged on a working table, a control box is arranged on one side of the stand column, a fixing plate is arranged at the upper end of the stand column, a sliding rail is arranged at the bottom of the fixing plate and is connected with one end of an electric stretchable rod through a sliding block, a motor is connected to the other end of the electric stretchable rod, a grinding disc is connected to a rotating shaft of the motor, protrusions are arranged at the bottom of the grinding disc, a bracket is arranged below the grinding disc, a steel wire gauze layer is arranged inside the bracket, and a dust collecting box is arranged at the bottom of the steel wire gauze layer; and a supporting rod is arranged on one side of the bracket, an electric fan is installed at one end of the supporting rod, the bottom of the bracket is connected with one end of a manual stretchable rod, the other end of the manual stretchable rod is connected with a rotating wheel, a handle is installed on the rotating wheel, and a base is connected to the bottom of the rotating wheel. By means of the device, dual-direction adjustment of the electric stretchable rod and the manual stretchable rod can be used; and when the grinding disc is used for grinding the shell fabric, dust can be blown into the steel wire gauze layer so as to fall into the dust collecting box.