Bulletin board capable of preventing toppling and automatically cleaning

The invention relates to the technical field of office display equipment, and discloses an anti-toppling and automatic-cleaning bulletin board. The bulletin board comprises a supporting rod; fan blades are rotatably connected to the top end of the supporting rod, a rotating rod is fixedly connected to the bottom ends of the fan blades, a coil is fixedly connected to the middle of the rotating rod,and a gear is connected to the right side of the rotating rod in an engaged mode; the bottom end of the gear is in engaged connection with a rack, the side, away from the rotating rod, of the rack isfixedly connected with a first limiting plate, a first spring is fixedly installed on the side, close to the rotating rod, of the first limiting plate, and the side, away from the rack, of the firstlimiting plate is movably connected with a second limiting plate. According to the bulletin board capable of preventing toppling and being automatically cleaned, the bulletin board can rotate to reduce wind resistance in windy