A special tool for electrically cleaning a support vase comprises a trolley, wherein a telescopic rod is arranged on the trolley; an air compressor and a hot-air blower are arranged on the surface of the trolley; an air outlet of the air compressor is connected with an air guide pipe, and an air outlet of the hot-air blower is connected with a hot air pipe; clamps are arranged at the end parts of the hot air pipe and the air guide pipe; motors are arranged on the outsides of the clamps; the output shafts of the motors are connected with a rotary table provided with a brush; the rotary table is located on one side of the end part of the hot air pipe; the clamps are fixed at the end part of the telescopic rod. According to the special tool for electrically cleaning the support vase, the hot air pipe and the hot air guide pipe are added on the basis of original electric snow removal equipment, when a freezing phenomenon occurs to accumulated snow on the electric equipment, the hot-air blower brings hot air to the accumulated snow position, so that ice blocks in the accumulated snow area can be melted rapidly, and accordingly, the accumulated snow on the electric equipment is cleared rapidly.