To maintain all the surfaces of overhead electric wires to ultrahydrophilic property for a long period by coating outside faces of the overhead electric wires or metal tapes covering the outside faces of the overhead electric wires with anatase type ultrahydrophilic titanium oxide.

An outside face part of a bare metal wire 1 forming an outermost layer of overhead electric wires 2 is coated with anatase type ultrahydrophilic titanium oxide 3 and a snow accretion preventing type overhead electric wire is formed. Anatase type ultrahydrophilic titanium oxide is coated on the overhead electric wires 2 twisting a plurality of bare metal wires 1 over a plurality of layers or metal tapes covering the overhead electric wires 2. Anatase type ultrahydrophilic titanium oxide 3 has a contact angle close to 0° in which contacting water becomes a uniformly thin water film and disperses, and when water is stuck to a surface, the surface presets a sliding surface due to formation of a thin water film. As a result, when snow falls on the overhead electric wires 2 and wire line structural members, snow falls due to excellent sliding property of the boundary face of both of the overhead electric wires 2 and the wire line structural members and snow is prevented from sticking and depositing.