An embodiment of the present invention relates to a wireless power supply apparatus, which has a power collecting core formed to wrap a corner of a power collecting cable to increase an induction electromotive force induced in a power collecting unit, has a power feeding unit configured to transfer a magnetic flux by only a power feeding cable without a power feeding core, to reduce the enormous cost for materials required to fabricate the power feeding core and thus enhance the price competitiveness, and reduce the weight and volume thereof and thus simplify the installation thereof, and has the power collecting core configured to include a plurality of power collecting core members, to reduce the weight and volume of the power collecting unit and thus increase the operational efficiency of the vehicle on which the power collecting unit is mounted.