The invention provides a sweeping device suitable for municipal administration stairs. The device can be used for carrying out comprehensive sweeping on middle platforms between upper-layer and lower-layer stairs. The device comprises a moving module used for driving the sweeping device to advance, a steering module used for adjusting the advancing direction of the sweeping device, a counting module used for recording the times that the sweeping device encounters the edge of a second table board, and a control module used for controlling the moving module and the steering module. The device can be used for comprehensively sweeping the middle platforms of the stairs, and is simple in structure and suitable for popularization and use.