Disclosed is an induction heating cooking apparatus. The induction heating cooking apparatus includes a countertop having plurality of cooking areas in which each cooking container can be seated, a plurality of coils provided under the countertop, a main substrate, and an auxiliary substrate separated from the main substrate. The main substrate is provided with a plurality of inverters each connected to a plurality of coils, a noise filter providing a plurality of inverters with a voltage from which noise from an external power supply is removed, and a plug connectable to the external power supply. The auxiliary substrate is provided with an input terminal to which the power line from the plug is connected, an output terminal to which the power line facing the noise filter is connected, and a discharge circuit part connected to the noise filter.