The invention discloses an electric hanging device and primarily relates to the field of hanging tools. The electric hanging device comprises a control box and a device box, wherein a control cavity is formed in the control box; a device cavity is arranged in the device box; a rotary shaft is arranged between the outer side wall of the control cavity and the outer side wall of the device cavity; apulling piece and a lifting hook are arranged on the rotary shaft; a servo hydraulic cylinder is arranged in the control cavity; the pulling piece is arranged in the control cavity; the lifting hookis arranged in the device cavity; an opening is formed in the bottom of the device cavity; a piston rod of the servo hydraulic cylinder is connected to the side face of the bottom of the pulling piece; the servo hydraulic cylinder shrinks to control swing of the pulling piece; the pulling piece swings to drive the rotary shaft to swing; the rotary shaft swings to drive the lifting hook to swing. The electric hanging tool disclosed by the invention has the beneficial effects that the defects caused by hanging a transformer with a steel wire rope are overcome, the transformer hanging process canbe more stable, and the hung transformer is prevented from swinging and rotating; and moreover, the position of the hung transformer is adjusted conveniently.