The utility model discloses a small air switch nameplate. A hollow rectangular body is arranged on the side face of one end of the nameplate, a magnetic piece is arranged on one side of the hollow rectangular body, and warnings are arranged on the other side of the nameplate. An iron sheet is arranged on a small air switch. According to the small air switch nameplate, the magnetic piece is used for attracting the nameplate with the warnings on the small air switch, an operator can clearly distinguish the small air switch in an overhauled state, and safety accidents of personnel and equipment due to misoperation are avoided. The small air switch nameplate is simple in structure, easy and convenient to operate, low in cost input and clear in warning effect.