The invention discloses a folding electric iron. The electric iron comprises an iron body, an ironing plate and a support, the bottom of the ironing plate is supported by the support, a storage box is arranged on the side portion of the ironing plate, a steam stove is arranged on the support, and the iron body is communicated with the steam stove through a steam hose; a holding part of the iron body is provided with a fan switch, a temperature knob is arranged on the surface of the iron body, and a shift button is arranged on the inner side portion of the iron body; a first V-shaped groove is formed in an iron body bottom plate of the iron body, a 3D bottom plate is installed on the iron body bottom plate, a second V-shaped groove corresponding to the iron body bottom plate is formed in the 3D bottom plate, and a plurality of even holes are formed in the 3D bottom plate. According to the folding electric iron, the iron body and the ironing plate are arranged together, so that use is convenient, and the support below the ironing plate can be folded, so that space is saved after use; the 3D bottom plate is additionally arranged for the first time, double heating is conducted through the iron body bottom plate, the steam amount is increased, no water drop is formed, the problems of insufficient steam and water leakage of the iron body bottom plate do not occur, ironing of clothes is faster, and the effect is higher.