Electric fan

The utility model relates to an electric fan comprising a fan body and a blade which can rotate on the fan body. The fan body is provided with a permanent magnet, and the interior of the fan body is provided with an annular wheel disc provided with an electromagnet interacting with the permanent magnet; the electromagnet is mainly composed of an iron core and a winding wound on the iron core; the blade is arranged in the circular wheel disc, and one end is fixedly connected with the circular wheel disc; the wheel disc is connected with the fan body through a guide wheel. None obstacle appears on an air passage of the utility model, and the blowing and the ventilation effects are good; the fan body can be made to be thinner; the volume can be correspondingly small when the power is required to be greater.