The utility model discloses an electric wire bender and relates to a cable bending device. Pedals (11) are respectively arranged on two sides of the lower part at one end of channel steel (12) with an upward channel opening; heightening plates (9) are respectively arranged on two plate bodies at the upper part of one end of the channel steel (12); a protruded block (5) is arranged on one side of the lower end of a casing pipe (2); a screw (7) at one end of a screwing head (8) penetrates through a connecting hole (10) of the two heightening plates (9) and s perforation hole (6) of the protruded block (5) between the two heightening plates (9) and then is locked by a nut (4). According to the electric wire bender disclosed by the utility model, by matching the casing pipe with the channel steel, an electric wire can be quickly bent. The electric wire bender has the advantages of simple structure, low cost, quickness and the like.